Finding the Fourth Proportional to 512,732.96, 707,585.75 and 283,305.02
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Solution
The fourth proportional to 512,732.96, 707,585.75 and 283,305.02 is: 390,968.82
Step by Step Solution
- Step 1: Write the proportion equation
512,732.96 : 707,585.75 = 283,305.02 : x - Step 2: Convert to fraction form
512,732.96/707,585.75 = 283,305.02/x - Step 3: Cross multiply
512,732.96x = 707,585.75 × 283,305.02 - Step 4: Simplify right side
512,732.96x = 200,462,596,635.19 - Step 5: Solve for x
x = 200,462,596,635.19/512,732.96 - Step 6: Final answer
x = 390,968.82
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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.