Home / 439,231.20-658,846.80-432,232.80

Finding the Fourth Proportional to 439,231.20, 658,846.80 and 432,232.80

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Solution

The fourth proportional to 439,231.20, 658,846.80 and 432,232.80 is: 648,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,231.20 : 658,846.80 = 432,232.80 : x
  2. Step 2: Convert to fraction form
    439,231.20/658,846.80 = 432,232.80/x
  3. Step 3: Cross multiply
    439,231.20x = 658,846.80 × 432,232.80
  4. Step 4: Simplify right side
    439,231.20x = 284,775,197,135.04
  5. Step 5: Solve for x
    x = 284,775,197,135.04/439,231.20
  6. Step 6: Final answer
    x = 648,349.20

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Similar ratio
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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.