Home / 439,726.20-658,811.70-372,852.60

Finding the Fourth Proportional to 439,726.20, 658,811.70 and 372,852.60

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Solution

The fourth proportional to 439,726.20, 658,811.70 and 372,852.60 is: 558,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,726.20 : 658,811.70 = 372,852.60 : x
  2. Step 2: Convert to fraction form
    439,726.20/658,811.70 = 372,852.60/x
  3. Step 3: Cross multiply
    439,726.20x = 658,811.70 × 372,852.60
  4. Step 4: Simplify right side
    439,726.20x = 245,639,655,255.42
  5. Step 5: Solve for x
    x = 245,639,655,255.42/439,726.20
  6. Step 6: Final answer
    x = 558,619.56

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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.