Home / 439,614.20-658,109.10-262,029.80

Finding the Fourth Proportional to 439,614.20, 658,109.10 and 262,029.80

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Solution

The fourth proportional to 439,614.20, 658,109.10 and 262,029.80 is: 392,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,614.20 : 658,109.10 = 262,029.80 : x
  2. Step 2: Convert to fraction form
    439,614.20/658,109.10 = 262,029.80/x
  3. Step 3: Cross multiply
    439,614.20x = 658,109.10 × 262,029.80
  4. Step 4: Simplify right side
    439,614.20x = 172,444,195,851.18
  5. Step 5: Solve for x
    x = 172,444,195,851.18/439,614.20
  6. Step 6: Final answer
    x = 392,262.57

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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.