Home / 439,719.20-658,801.20-372,845.60

Finding the Fourth Proportional to 439,719.20, 658,801.20 and 372,845.60

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Solution

The fourth proportional to 439,719.20, 658,801.20 and 372,845.60 is: 558,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,719.20 : 658,801.20 = 372,845.60 : x
  2. Step 2: Convert to fraction form
    439,719.20/658,801.20 = 372,845.60/x
  3. Step 3: Cross multiply
    439,719.20x = 658,801.20 × 372,845.60
  4. Step 4: Simplify right side
    439,719.20x = 245,631,128,694.72
  5. Step 5: Solve for x
    x = 245,631,128,694.72/439,719.20
  6. Step 6: Final answer
    x = 558,609.06

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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.