Home / 766,247.78-1,057,346.24-426,747.62

Finding the Fourth Proportional to 766,247.78, 1,057,346.24 and 426,747.62

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Solution

The fourth proportional to 766,247.78, 1,057,346.24 and 426,747.62 is: 588,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,247.78 : 1,057,346.24 = 426,747.62 : x
  2. Step 2: Convert to fraction form
    766,247.78/1,057,346.24 = 426,747.62/x
  3. Step 3: Cross multiply
    766,247.78x = 1,057,346.24 × 426,747.62
  4. Step 4: Simplify right side
    766,247.78x = 451,219,991,435.95
  5. Step 5: Solve for x
    x = 451,219,991,435.95/766,247.78
  6. Step 6: Final answer
    x = 588,869.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.