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Finding the Fourth Proportional to 650,311.38, 975,778.11 and 229,785.30

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Solution

The fourth proportional to 650,311.38, 975,778.11 and 229,785.30 is: 344,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,311.38 : 975,778.11 = 229,785.30 : x
  2. Step 2: Convert to fraction form
    650,311.38/975,778.11 = 229,785.30/x
  3. Step 3: Cross multiply
    650,311.38x = 975,778.11 × 229,785.30
  4. Step 4: Simplify right side
    650,311.38x = 224,219,465,739.78
  5. Step 5: Solve for x
    x = 224,219,465,739.78/650,311.38
  6. Step 6: Final answer
    x = 344,787.85

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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.