Home / 428,634.28-591,512.52-237,647.62

Finding the Fourth Proportional to 428,634.28, 591,512.52 and 237,647.62

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Solution

The fourth proportional to 428,634.28, 591,512.52 and 237,647.62 is: 327,952.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,634.28 : 591,512.52 = 237,647.62 : x
  2. Step 2: Convert to fraction form
    428,634.28/591,512.52 = 237,647.62/x
  3. Step 3: Cross multiply
    428,634.28x = 591,512.52 × 237,647.62
  4. Step 4: Simplify right side
    428,634.28x = 140,571,542,578.20
  5. Step 5: Solve for x
    x = 140,571,542,578.20/428,634.28
  6. Step 6: Final answer
    x = 327,952.17

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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.