Finding the Fourth Proportional to 814,248.10, 1,220,781.66 and 547,346.62
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Solution
The fourth proportional to 814,248.10, 1,220,781.66 and 547,346.62 is: 820,623.00
Step by Step Solution
- Step 1: Write the proportion equation
814,248.10 : 1,220,781.66 = 547,346.62 : x - Step 2: Convert to fraction form
814,248.10/1,220,781.66 = 547,346.62/x - Step 3: Cross multiply
814,248.10x = 1,220,781.66 × 547,346.62 - Step 4: Simplify right side
814,248.10x = 668,190,715,358.99 - Step 5: Solve for x
x = 668,190,715,358.99/814,248.10 - Step 6: Final answer
x = 820,623.00
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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.