Finding the Fourth Proportional to 512,836.74, 707,757.35 and 283,438.85
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Solution
The fourth proportional to 512,836.74, 707,757.35 and 283,438.85 is: 391,169.17
Step by Step Solution
- Step 1: Write the proportion equation
512,836.74 : 707,757.35 = 283,438.85 : x - Step 2: Convert to fraction form
512,836.74/707,757.35 = 283,438.85/x - Step 3: Cross multiply
512,836.74x = 707,757.35 × 283,438.85 - Step 4: Simplify right side
512,836.74x = 200,605,924,407.07 - Step 5: Solve for x
x = 200,605,924,407.07/512,836.74 - Step 6: Final answer
x = 391,169.17
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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.