Finding the Fourth Proportional to 669,767.29, 924,310.97 and 411,655.50
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Solution
The fourth proportional to 669,767.29, 924,310.97 and 411,655.50 is: 568,104.32
Step by Step Solution
- Step 1: Write the proportion equation
669,767.29 : 924,310.97 = 411,655.50 : x - Step 2: Convert to fraction form
669,767.29/924,310.97 = 411,655.50/x - Step 3: Cross multiply
669,767.29x = 924,310.97 × 411,655.50 - Step 4: Simplify right side
669,767.29x = 380,497,692,452.56 - Step 5: Solve for x
x = 380,497,692,452.56/669,767.29 - Step 6: Final answer
x = 568,104.32
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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.