Home / 802,691.40-1,203,283.78-269,839.78

Finding the Fourth Proportional to 802,691.40, 1,203,283.78 and 269,839.78

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Solution

The fourth proportional to 802,691.40, 1,203,283.78 and 269,839.78 is: 404,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,691.40 : 1,203,283.78 = 269,839.78 : x
  2. Step 2: Convert to fraction form
    802,691.40/1,203,283.78 = 269,839.78/x
  3. Step 3: Cross multiply
    802,691.40x = 1,203,283.78 × 269,839.78
  4. Step 4: Simplify right side
    802,691.40x = 324,693,830,472.77
  5. Step 5: Solve for x
    x = 324,693,830,472.77/802,691.40
  6. Step 6: Final answer
    x = 404,506.43

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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.