Home / 439,288.22-658,842.42-123,747.86

Finding the Fourth Proportional to 439,288.22, 658,842.42 and 123,747.86

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Solution

The fourth proportional to 439,288.22, 658,842.42 and 123,747.86 is: 185,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,288.22 : 658,842.42 = 123,747.86 : x
  2. Step 2: Convert to fraction form
    439,288.22/658,842.42 = 123,747.86/x
  3. Step 3: Cross multiply
    439,288.22x = 658,842.42 × 123,747.86
  4. Step 4: Simplify right side
    439,288.22x = 81,530,339,552.22
  5. Step 5: Solve for x
    x = 81,530,339,552.22/439,288.22
  6. Step 6: Final answer
    x = 185,596.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.