Home / 802,654.38-1,204,105.98-270,133.92

Finding the Fourth Proportional to 802,654.38, 1,204,105.98 and 270,133.92

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Solution

The fourth proportional to 802,654.38, 1,204,105.98 and 270,133.92 is: 405,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,654.38 : 1,204,105.98 = 270,133.92 : x
  2. Step 2: Convert to fraction form
    802,654.38/1,204,105.98 = 270,133.92/x
  3. Step 3: Cross multiply
    802,654.38x = 1,204,105.98 × 270,133.92
  4. Step 4: Simplify right side
    802,654.38x = 325,269,868,472.84
  5. Step 5: Solve for x
    x = 325,269,868,472.84/802,654.38
  6. Step 6: Final answer
    x = 405,242.75

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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.