Home / 439,723.20-658,807.20-372,849.60

Finding the Fourth Proportional to 439,723.20, 658,807.20 and 372,849.60

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Solution

The fourth proportional to 439,723.20, 658,807.20 and 372,849.60 is: 558,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,723.20 : 658,807.20 = 372,849.60 : x
  2. Step 2: Convert to fraction form
    439,723.20/658,807.20 = 372,849.60/x
  3. Step 3: Cross multiply
    439,723.20x = 658,807.20 × 372,849.60
  4. Step 4: Simplify right side
    439,723.20x = 245,636,000,997.12
  5. Step 5: Solve for x
    x = 245,636,000,997.12/439,723.20
  6. Step 6: Final answer
    x = 558,615.06

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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.