Home / 428,706.20-591,585.72-237,712.52

Finding the Fourth Proportional to 428,706.20, 591,585.72 and 237,712.52

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Solution

The fourth proportional to 428,706.20, 591,585.72 and 237,712.52 is: 328,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,706.20 : 591,585.72 = 237,712.52 : x
  2. Step 2: Convert to fraction form
    428,706.20/591,585.72 = 237,712.52/x
  3. Step 3: Cross multiply
    428,706.20x = 591,585.72 × 237,712.52
  4. Step 4: Simplify right side
    428,706.20x = 140,627,332,297.21
  5. Step 5: Solve for x
    x = 140,627,332,297.21/428,706.20
  6. Step 6: Final answer
    x = 328,027.29

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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.