Home / 439,736.20-658,826.70-372,862.60

Finding the Fourth Proportional to 439,736.20, 658,826.70 and 372,862.60

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Solution

The fourth proportional to 439,736.20, 658,826.70 and 372,862.60 is: 558,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,736.20 : 658,826.70 = 372,862.60 : x
  2. Step 2: Convert to fraction form
    439,736.20/658,826.70 = 372,862.60/x
  3. Step 3: Cross multiply
    439,736.20x = 658,826.70 × 372,862.60
  4. Step 4: Simplify right side
    439,736.20x = 245,651,836,311.42
  5. Step 5: Solve for x
    x = 245,651,836,311.42/439,736.20
  6. Step 6: Final answer
    x = 558,634.55

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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.