Home / 428,704.20-591,582.96-237,710.52

Finding the Fourth Proportional to 428,704.20, 591,582.96 and 237,710.52

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Solution

The fourth proportional to 428,704.20, 591,582.96 and 237,710.52 is: 328,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,704.20 : 591,582.96 = 237,710.52 : x
  2. Step 2: Convert to fraction form
    428,704.20/591,582.96 = 237,710.52/x
  3. Step 3: Cross multiply
    428,704.20x = 591,582.96 × 237,710.52
  4. Step 4: Simplify right side
    428,704.20x = 140,625,493,044.74
  5. Step 5: Solve for x
    x = 140,625,493,044.74/428,704.20
  6. Step 6: Final answer
    x = 328,024.53

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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.