Finding the Fourth Proportional to 822,514.05, 1,135,073.07 and 459,938.03
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Solution
The fourth proportional to 822,514.05, 1,135,073.07 and 459,938.03 is: 634,716.53
Step by Step Solution
- Step 1: Write the proportion equation
822,514.05 : 1,135,073.07 = 459,938.03 : x - Step 2: Convert to fraction form
822,514.05/1,135,073.07 = 459,938.03/x - Step 3: Cross multiply
822,514.05x = 1,135,073.07 × 459,938.03 - Step 4: Simplify right side
822,514.05x = 522,063,266,046.49 - Step 5: Solve for x
x = 522,063,266,046.49/822,514.05 - Step 6: Final answer
x = 634,716.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.