Home / 400,748.60-553,084.24-230,983.92

Finding the Fourth Proportional to 400,748.60, 553,084.24 and 230,983.92

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Solution

The fourth proportional to 400,748.60, 553,084.24 and 230,983.92 is: 318,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,748.60 : 553,084.24 = 230,983.92 : x
  2. Step 2: Convert to fraction form
    400,748.60/553,084.24 = 230,983.92/x
  3. Step 3: Cross multiply
    400,748.60x = 553,084.24 × 230,983.92
  4. Step 4: Simplify right side
    400,748.60x = 127,753,565,845.42
  5. Step 5: Solve for x
    x = 127,753,565,845.42/400,748.60
  6. Step 6: Final answer
    x = 318,787.30

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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.