Home / 668,665.15-1,003,247.42-269,419.19

Finding the Fourth Proportional to 668,665.15, 1,003,247.42 and 269,419.19

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Solution

The fourth proportional to 668,665.15, 1,003,247.42 and 269,419.19 is: 404,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,665.15 : 1,003,247.42 = 269,419.19 : x
  2. Step 2: Convert to fraction form
    668,665.15/1,003,247.42 = 269,419.19/x
  3. Step 3: Cross multiply
    668,665.15x = 1,003,247.42 × 269,419.19
  4. Step 4: Simplify right side
    668,665.15x = 270,294,100,902.66
  5. Step 5: Solve for x
    x = 270,294,100,902.66/668,665.15
  6. Step 6: Final answer
    x = 404,229.38

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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.