Finding the Fourth Proportional to 762,931.97, 1,052,825.31 and 418,767.42
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Solution
The fourth proportional to 762,931.97, 1,052,825.31 and 418,767.42 is: 577,887.62
Step by Step Solution
- Step 1: Write the proportion equation
762,931.97 : 1,052,825.31 = 418,767.42 : x - Step 2: Convert to fraction form
762,931.97/1,052,825.31 = 418,767.42/x - Step 3: Cross multiply
762,931.97x = 1,052,825.31 × 418,767.42 - Step 4: Simplify right side
762,931.97x = 440,888,938,779.40 - Step 5: Solve for x
x = 440,888,938,779.40/762,931.97 - Step 6: Final answer
x = 577,887.62
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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.