Home / 669,105.20-1,002,880.20-269,548.40

Finding the Fourth Proportional to 669,105.20, 1,002,880.20 and 269,548.40

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Solution

The fourth proportional to 669,105.20, 1,002,880.20 and 269,548.40 is: 404,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,105.20 : 1,002,880.20 = 269,548.40 : x
  2. Step 2: Convert to fraction form
    669,105.20/1,002,880.20 = 269,548.40/x
  3. Step 3: Cross multiply
    669,105.20x = 1,002,880.20 × 269,548.40
  4. Step 4: Simplify right side
    669,105.20x = 270,324,753,301.68
  5. Step 5: Solve for x
    x = 270,324,753,301.68/669,105.20
  6. Step 6: Final answer
    x = 404,009.34

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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.