Home / 428,689.20-591,562.26-237,695.52

Finding the Fourth Proportional to 428,689.20, 591,562.26 and 237,695.52

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Solution

The fourth proportional to 428,689.20, 591,562.26 and 237,695.52 is: 328,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,689.20 : 591,562.26 = 237,695.52 : x
  2. Step 2: Convert to fraction form
    428,689.20/591,562.26 = 237,695.52/x
  3. Step 3: Cross multiply
    428,689.20x = 591,562.26 × 237,695.52
  4. Step 4: Simplify right side
    428,689.20x = 140,611,699,003.08
  5. Step 5: Solve for x
    x = 140,611,699,003.08/428,689.20
  6. Step 6: Final answer
    x = 328,003.83

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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.