Finding the Fourth Proportional to 814,517.03, 1,221,284.68 and 365,156.63
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Solution
The fourth proportional to 814,517.03, 1,221,284.68 and 365,156.63 is: 547,514.88
Step by Step Solution
- Step 1: Write the proportion equation
814,517.03 : 1,221,284.68 = 365,156.63 : x - Step 2: Convert to fraction form
814,517.03/1,221,284.68 = 365,156.63/x - Step 3: Cross multiply
814,517.03x = 1,221,284.68 × 365,156.63 - Step 4: Simplify right side
814,517.03x = 445,960,191,000.11 - Step 5: Solve for x
x = 445,960,191,000.11/814,517.03 - Step 6: Final answer
x = 547,514.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.