Home / 669,138.44-1,003,694.42-269,770.10

Finding the Fourth Proportional to 669,138.44, 1,003,694.42 and 269,770.10

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Solution

The fourth proportional to 669,138.44, 1,003,694.42 and 269,770.10 is: 404,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,138.44 : 1,003,694.42 = 269,770.10 : x
  2. Step 2: Convert to fraction form
    669,138.44/1,003,694.42 = 269,770.10/x
  3. Step 3: Cross multiply
    669,138.44x = 1,003,694.42 × 269,770.10
  4. Step 4: Simplify right side
    669,138.44x = 270,766,739,708.80
  5. Step 5: Solve for x
    x = 270,766,739,708.80/669,138.44
  6. Step 6: Final answer
    x = 404,649.81

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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.