Home / 726,223.80-1,002,174.44-403,926.96

Finding the Fourth Proportional to 726,223.80, 1,002,174.44 and 403,926.96

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Solution

The fourth proportional to 726,223.80, 1,002,174.44 and 403,926.96 is: 557,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,223.80 : 1,002,174.44 = 403,926.96 : x
  2. Step 2: Convert to fraction form
    726,223.80/1,002,174.44 = 403,926.96/x
  3. Step 3: Cross multiply
    726,223.80x = 1,002,174.44 × 403,926.96
  4. Step 4: Simplify right side
    726,223.80x = 404,805,274,938.90
  5. Step 5: Solve for x
    x = 404,805,274,938.90/726,223.80
  6. Step 6: Final answer
    x = 557,411.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.