Finding the Fourth Proportional to 519,551.26, 717,475.91 and 491,246.19
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Solution
The fourth proportional to 519,551.26, 717,475.91 and 491,246.19 is: 678,387.94
Step by Step Solution
- Step 1: Write the proportion equation
519,551.26 : 717,475.91 = 491,246.19 : x - Step 2: Convert to fraction form
519,551.26/717,475.91 = 491,246.19/x - Step 3: Cross multiply
519,551.26x = 717,475.91 × 491,246.19 - Step 4: Simplify right side
519,551.26x = 352,457,304,748.05 - Step 5: Solve for x
x = 352,457,304,748.05/519,551.26 - Step 6: Final answer
x = 678,387.94
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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.