Home / 428,265.60-591,011.28-237,282

Finding the Fourth Proportional to 428,265.60, 591,011.28 and 237,282

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Solution

The fourth proportional to 428,265.60, 591,011.28 and 237,282 is: 327,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,265.60 : 591,011.28 = 237,282 : x
  2. Step 2: Convert to fraction form
    428,265.60/591,011.28 = 237,282/x
  3. Step 3: Cross multiply
    428,265.60x = 591,011.28 × 237,282
  4. Step 4: Simplify right side
    428,265.60x = 140,236,338,540.96
  5. Step 5: Solve for x
    x = 140,236,338,540.96/428,265.60
  6. Step 6: Final answer
    x = 327,451.79

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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.