Finding the Fourth Proportional to 512,731.97, 707,584.39 and 283,304.04
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Solution
The fourth proportional to 512,731.97, 707,584.39 and 283,304.04 is: 390,967.45
Step by Step Solution
- Step 1: Write the proportion equation
512,731.97 : 707,584.39 = 283,304.04 : x - Step 2: Convert to fraction form
512,731.97/707,584.39 = 283,304.04/x - Step 3: Cross multiply
512,731.97x = 707,584.39 × 283,304.04 - Step 4: Simplify right side
512,731.97x = 200,461,512,966.23 - Step 5: Solve for x
x = 200,461,512,966.23/512,731.97 - Step 6: Final answer
x = 390,967.45
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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.