Home / 669,137.20-1,002,928.20-269,580.40

Finding the Fourth Proportional to 669,137.20, 1,002,928.20 and 269,580.40

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Solution

The fourth proportional to 669,137.20, 1,002,928.20 and 269,580.40 is: 404,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,137.20 : 1,002,928.20 = 269,580.40 : x
  2. Step 2: Convert to fraction form
    669,137.20/1,002,928.20 = 269,580.40/x
  3. Step 3: Cross multiply
    669,137.20x = 1,002,928.20 × 269,580.40
  4. Step 4: Simplify right side
    669,137.20x = 270,369,785,327.28
  5. Step 5: Solve for x
    x = 270,369,785,327.28/669,137.20
  6. Step 6: Final answer
    x = 404,057.32

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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.