Home / 439,610.20-658,103.10-262,025.80

Finding the Fourth Proportional to 439,610.20, 658,103.10 and 262,025.80

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Solution

The fourth proportional to 439,610.20, 658,103.10 and 262,025.80 is: 392,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,610.20 : 658,103.10 = 262,025.80 : x
  2. Step 2: Convert to fraction form
    439,610.20/658,103.10 = 262,025.80/x
  3. Step 3: Cross multiply
    439,610.20x = 658,103.10 × 262,025.80
  4. Step 4: Simplify right side
    439,610.20x = 172,439,991,259.98
  5. Step 5: Solve for x
    x = 172,439,991,259.98/439,610.20
  6. Step 6: Final answer
    x = 392,256.57

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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.