Finding the Fourth Proportional to 651,664.80, 977,626.80 and 547,207.20
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Solution
The fourth proportional to 651,664.80, 977,626.80 and 547,207.20 is: 820,919.63
Step by Step Solution
- Step 1: Write the proportion equation
651,664.80 : 977,626.80 = 547,207.20 : x - Step 2: Convert to fraction form
651,664.80/977,626.80 = 547,207.20/x - Step 3: Cross multiply
651,664.80x = 977,626.80 × 547,207.20 - Step 4: Simplify right side
651,664.80x = 534,964,423,872.96 - Step 5: Solve for x
x = 534,964,423,872.96/651,664.80 - Step 6: Final answer
x = 820,919.63
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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.