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Finding the Fourth Proportional to 668,796.38, 1,003,227.38 and 269,383.22

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Solution

The fourth proportional to 668,796.38, 1,003,227.38 and 269,383.22 is: 404,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,796.38 : 1,003,227.38 = 269,383.22 : x
  2. Step 2: Convert to fraction form
    668,796.38/1,003,227.38 = 269,383.22/x
  3. Step 3: Cross multiply
    668,796.38x = 1,003,227.38 × 269,383.22
  4. Step 4: Simplify right side
    668,796.38x = 270,252,620,669.65
  5. Step 5: Solve for x
    x = 270,252,620,669.65/668,796.38
  6. Step 6: Final answer
    x = 404,088.04

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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.