Home / 428,318.79-591,083.42-237,335.37

Finding the Fourth Proportional to 428,318.79, 591,083.42 and 237,335.37

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Solution

The fourth proportional to 428,318.79, 591,083.42 and 237,335.37 is: 327,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,318.79 : 591,083.42 = 237,335.37 : x
  2. Step 2: Convert to fraction form
    428,318.79/591,083.42 = 237,335.37/x
  3. Step 3: Cross multiply
    428,318.79x = 591,083.42 × 237,335.37
  4. Step 4: Simplify right side
    428,318.79x = 140,285,002,186.57
  5. Step 5: Solve for x
    x = 140,285,002,186.57/428,318.79
  6. Step 6: Final answer
    x = 327,524.74

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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.