Home / 766,233.60-1,149,471.90-260,842.20

Finding the Fourth Proportional to 766,233.60, 1,149,471.90 and 260,842.20

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Solution

The fourth proportional to 766,233.60, 1,149,471.90 and 260,842.20 is: 391,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,233.60 : 1,149,471.90 = 260,842.20 : x
  2. Step 2: Convert to fraction form
    766,233.60/1,149,471.90 = 260,842.20/x
  3. Step 3: Cross multiply
    766,233.60x = 1,149,471.90 × 260,842.20
  4. Step 4: Simplify right side
    766,233.60x = 299,830,779,234.18
  5. Step 5: Solve for x
    x = 299,830,779,234.18/766,233.60
  6. Step 6: Final answer
    x = 391,304.66

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Double scale
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Similar ratio
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1.5x scale

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.