Home / 439,606.20-658,097.10-262,021.80

Finding the Fourth Proportional to 439,606.20, 658,097.10 and 262,021.80

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Solution

The fourth proportional to 439,606.20, 658,097.10 and 262,021.80 is: 392,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,606.20 : 658,097.10 = 262,021.80 : x
  2. Step 2: Convert to fraction form
    439,606.20/658,097.10 = 262,021.80/x
  3. Step 3: Cross multiply
    439,606.20x = 658,097.10 × 262,021.80
  4. Step 4: Simplify right side
    439,606.20x = 172,435,786,716.78
  5. Step 5: Solve for x
    x = 172,435,786,716.78/439,606.20
  6. Step 6: Final answer
    x = 392,250.58

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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.