Home / 1,003,753.20-1,505,775.60-329,719.80

Finding the Fourth Proportional to 1,003,753.20, 1,505,775.60 and 329,719.80

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Solution

The fourth proportional to 1,003,753.20, 1,505,775.60 and 329,719.80 is: 494,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,753.20 : 1,505,775.60 = 329,719.80 : x
  2. Step 2: Convert to fraction form
    1,003,753.20/1,505,775.60 = 329,719.80/x
  3. Step 3: Cross multiply
    1,003,753.20x = 1,505,775.60 × 329,719.80
  4. Step 4: Simplify right side
    1,003,753.20x = 496,484,029,676.88
  5. Step 5: Solve for x
    x = 496,484,029,676.88/1,003,753.20
  6. Step 6: Final answer
    x = 494,627.59

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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.