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Finding the Fourth Proportional to 569,105.10, 853,657.65 and 542,861.10

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Solution

The fourth proportional to 569,105.10, 853,657.65 and 542,861.10 is: 814,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,105.10 : 853,657.65 = 542,861.10 : x
  2. Step 2: Convert to fraction form
    569,105.10/853,657.65 = 542,861.10/x
  3. Step 3: Cross multiply
    569,105.10x = 853,657.65 × 542,861.10
  4. Step 4: Simplify right side
    569,105.10x = 463,417,530,902.42
  5. Step 5: Solve for x
    x = 463,417,530,902.42/569,105.10
  6. Step 6: Final answer
    x = 814,291.65

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Similar ratio
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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.