Home / 725,963.72-1,001,847.30-403,687.40

Finding the Fourth Proportional to 725,963.72, 1,001,847.30 and 403,687.40

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Solution

The fourth proportional to 725,963.72, 1,001,847.30 and 403,687.40 is: 557,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,963.72 : 1,001,847.30 = 403,687.40 : x
  2. Step 2: Convert to fraction form
    725,963.72/1,001,847.30 = 403,687.40/x
  3. Step 3: Cross multiply
    725,963.72x = 1,001,847.30 × 403,687.40
  4. Step 4: Simplify right side
    725,963.72x = 404,433,131,734.02
  5. Step 5: Solve for x
    x = 404,433,131,734.02/725,963.72
  6. Step 6: Final answer
    x = 557,098.27

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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.