Home / 668,757.60-1,003,124.79-269,388.17

Finding the Fourth Proportional to 668,757.60, 1,003,124.79 and 269,388.17

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Solution

The fourth proportional to 668,757.60, 1,003,124.79 and 269,388.17 is: 404,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,757.60 : 1,003,124.79 = 269,388.17 : x
  2. Step 2: Convert to fraction form
    668,757.60/1,003,124.79 = 269,388.17/x
  3. Step 3: Cross multiply
    668,757.60x = 1,003,124.79 × 269,388.17
  4. Step 4: Simplify right side
    668,757.60x = 270,229,948,226.94
  5. Step 5: Solve for x
    x = 270,229,948,226.94/668,757.60
  6. Step 6: Final answer
    x = 404,077.57

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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.