Home / 388,052.20-582,078.30-329,003.20

Finding the Fourth Proportional to 388,052.20, 582,078.30 and 329,003.20

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Solution

The fourth proportional to 388,052.20, 582,078.30 and 329,003.20 is: 493,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,052.20 : 582,078.30 = 329,003.20 : x
  2. Step 2: Convert to fraction form
    388,052.20/582,078.30 = 329,003.20/x
  3. Step 3: Cross multiply
    388,052.20x = 582,078.30 × 329,003.20
  4. Step 4: Simplify right side
    388,052.20x = 191,505,623,350.56
  5. Step 5: Solve for x
    x = 191,505,623,350.56/388,052.20
  6. Step 6: Final answer
    x = 493,504.80

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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.