Finding the Fourth Proportional to 890,882.69, 1,229,403.02 and 503,691.75
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Solution
The fourth proportional to 890,882.69, 1,229,403.02 and 503,691.75 is: 695,086.08
Step by Step Solution
- Step 1: Write the proportion equation
890,882.69 : 1,229,403.02 = 503,691.75 : x - Step 2: Convert to fraction form
890,882.69/1,229,403.02 = 503,691.75/x - Step 3: Cross multiply
890,882.69x = 1,229,403.02 × 503,691.75 - Step 4: Simplify right side
890,882.69x = 619,240,156,080.63 - Step 5: Solve for x
x = 619,240,156,080.63/890,882.69 - Step 6: Final answer
x = 695,086.08
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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.