Home / 669,122.20-1,002,905.70-269,565.40

Finding the Fourth Proportional to 669,122.20, 1,002,905.70 and 269,565.40

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Solution

The fourth proportional to 669,122.20, 1,002,905.70 and 269,565.40 is: 404,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,122.20 : 1,002,905.70 = 269,565.40 : x
  2. Step 2: Convert to fraction form
    669,122.20/1,002,905.70 = 269,565.40/x
  3. Step 3: Cross multiply
    669,122.20x = 1,002,905.70 × 269,565.40
  4. Step 4: Simplify right side
    669,122.20x = 270,348,676,182.78
  5. Step 5: Solve for x
    x = 270,348,676,182.78/669,122.20
  6. Step 6: Final answer
    x = 404,034.83

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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.