Finding the Fourth Proportional to 498,331.53, 687,616.40 and 294,354.14
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Solution
The fourth proportional to 498,331.53, 687,616.40 and 294,354.14 is: 406,160.80
Step by Step Solution
- Step 1: Write the proportion equation
498,331.53 : 687,616.40 = 294,354.14 : x - Step 2: Convert to fraction form
498,331.53/687,616.40 = 294,354.14/x - Step 3: Cross multiply
498,331.53x = 687,616.40 × 294,354.14 - Step 4: Simplify right side
498,331.53x = 202,402,732,600.13 - Step 5: Solve for x
x = 202,402,732,600.13/498,331.53 - Step 6: Final answer
x = 406,160.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.