Home / 439,296.48-658,192.50-239,756.88

Finding the Fourth Proportional to 439,296.48, 658,192.50 and 239,756.88

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Solution

The fourth proportional to 439,296.48, 658,192.50 and 239,756.88 is: 359,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,296.48 : 658,192.50 = 239,756.88 : x
  2. Step 2: Convert to fraction form
    439,296.48/658,192.50 = 239,756.88/x
  3. Step 3: Cross multiply
    439,296.48x = 658,192.50 × 239,756.88
  4. Step 4: Simplify right side
    439,296.48x = 157,806,180,239.40
  5. Step 5: Solve for x
    x = 157,806,180,239.40/439,296.48
  6. Step 6: Final answer
    x = 359,224.78

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1.5x scale

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.