Finding the Fourth Proportional to 669,565.26, 924,147.19 and 440,143.74
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Solution
The fourth proportional to 669,565.26, 924,147.19 and 440,143.74 is: 607,495.08
Step by Step Solution
- Step 1: Write the proportion equation
669,565.26 : 924,147.19 = 440,143.74 : x - Step 2: Convert to fraction form
669,565.26/924,147.19 = 440,143.74/x - Step 3: Cross multiply
669,565.26x = 924,147.19 × 440,143.74 - Step 4: Simplify right side
669,565.26x = 406,757,600,517.09 - Step 5: Solve for x
x = 406,757,600,517.09/669,565.26 - Step 6: Final answer
x = 607,495.08
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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.