Definition of pro rata in English:
pro rata
adjective ˈreɪtəprəʊ ˈrɑːtəproʊ ˈrɑdə
Proportional.
as the pound has fallen costs have risen on a pro rata basis
Synonyms
corresponding, proportionate, comparable, in proportion, commensurate, equivalent, consistent, relative, correlated, correlative, analogous, analogical
adverb ˈreɪtəprəʊ ˈrɑːtəproʊ ˈrɑdə
Proportionally.
their fees will rise pro rata with salaries
Origin
Late 16th century: Latin, literally 'according to the rate'.
Definition of pro rata in US English:
pro rata
adjectiveproʊ ˈrɑdəprō ˈrädə
Proportional.
as the dollar has fallen, costs have risen on a pro rata basis
Synonyms
corresponding, proportionate, comparable, in proportion, commensurate, equivalent, consistent, relative, correlated, correlative, analogous, analogical
adverbproʊ ˈrɑdəprō ˈrädə
Proportionally.
their fees will rise pro rata with salaries
Origin
Late 16th century: Latin, literally ‘according to the rate’.