Home / 669,111.20-1,003,375.20-269,619.20

Finding the Fourth Proportional to 669,111.20, 1,003,375.20 and 269,619.20

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Solution

The fourth proportional to 669,111.20, 1,003,375.20 and 269,619.20 is: 404,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,111.20 : 1,003,375.20 = 269,619.20 : x
  2. Step 2: Convert to fraction form
    669,111.20/1,003,375.20 = 269,619.20/x
  3. Step 3: Cross multiply
    669,111.20x = 1,003,375.20 × 269,619.20
  4. Step 4: Simplify right side
    669,111.20x = 270,529,218,723.84
  5. Step 5: Solve for x
    x = 270,529,218,723.84/669,111.20
  6. Step 6: Final answer
    x = 404,311.30

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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.