Finding the Fourth Proportional to 516,375.53, 712,584.09 and 286,926.91
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Solution
The fourth proportional to 516,375.53, 712,584.09 and 286,926.91 is: 395,951.28
Step by Step Solution
- Step 1: Write the proportion equation
516,375.53 : 712,584.09 = 286,926.91 : x - Step 2: Convert to fraction form
516,375.53/712,584.09 = 286,926.91/x - Step 3: Cross multiply
516,375.53x = 712,584.09 × 286,926.91 - Step 4: Simplify right side
516,375.53x = 204,459,550,825.96 - Step 5: Solve for x
x = 204,459,550,825.96/516,375.53 - Step 6: Final answer
x = 395,951.28
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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.