Finding the Fourth Proportional to 512,889.87, 707,750.96 and 283,444.41
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Solution
The fourth proportional to 512,889.87, 707,750.96 and 283,444.41 is: 391,132.80
Step by Step Solution
- Step 1: Write the proportion equation
512,889.87 : 707,750.96 = 283,444.41 : x - Step 2: Convert to fraction form
512,889.87/707,750.96 = 283,444.41/x - Step 3: Cross multiply
512,889.87x = 707,750.96 × 283,444.41 - Step 4: Simplify right side
512,889.87x = 200,608,051,866.91 - Step 5: Solve for x
x = 200,608,051,866.91/512,889.87 - Step 6: Final answer
x = 391,132.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.