Finding the Fourth Proportional to 510,672.48, 703,206.36 and 499,343.28
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Solution
The fourth proportional to 510,672.48, 703,206.36 and 499,343.28 is: 687,605.82
Step by Step Solution
- Step 1: Write the proportion equation
510,672.48 : 703,206.36 = 499,343.28 : x - Step 2: Convert to fraction form
510,672.48/703,206.36 = 499,343.28/x - Step 3: Cross multiply
510,672.48x = 703,206.36 × 499,343.28 - Step 4: Simplify right side
510,672.48x = 351,141,370,319.26 - Step 5: Solve for x
x = 351,141,370,319.26/510,672.48 - Step 6: Final answer
x = 687,605.82
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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.