Home / 439,901.20-659,851.80-327,926.80

Finding the Fourth Proportional to 439,901.20, 659,851.80 and 327,926.80

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Solution

The fourth proportional to 439,901.20, 659,851.80 and 327,926.80 is: 491,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,901.20 : 659,851.80 = 327,926.80 : x
  2. Step 2: Convert to fraction form
    439,901.20/659,851.80 = 327,926.80/x
  3. Step 3: Cross multiply
    439,901.20x = 659,851.80 × 327,926.80
  4. Step 4: Simplify right side
    439,901.20x = 216,383,089,248.24
  5. Step 5: Solve for x
    x = 216,383,089,248.24/439,901.20
  6. Step 6: Final answer
    x = 491,890.20

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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.