Home / 987,448.97-1,362,293.78-573,917.04

Finding the Fourth Proportional to 987,448.97, 1,362,293.78 and 573,917.04

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Solution

The fourth proportional to 987,448.97, 1,362,293.78 and 573,917.04 is: 791,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,448.97 : 1,362,293.78 = 573,917.04 : x
  2. Step 2: Convert to fraction form
    987,448.97/1,362,293.78 = 573,917.04/x
  3. Step 3: Cross multiply
    987,448.97x = 1,362,293.78 × 573,917.04
  4. Step 4: Simplify right side
    987,448.97x = 781,843,615,262.80
  5. Step 5: Solve for x
    x = 781,843,615,262.80/987,448.97
  6. Step 6: Final answer
    x = 791,781.28

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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.