Home / 828,787.33-1,243,181-548,238.97

Finding the Fourth Proportional to 828,787.33, 1,243,181 and 548,238.97

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Solution

The fourth proportional to 828,787.33, 1,243,181 and 548,238.97 is: 822,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,787.33 : 1,243,181 = 548,238.97 : x
  2. Step 2: Convert to fraction form
    828,787.33/1,243,181 = 548,238.97/x
  3. Step 3: Cross multiply
    828,787.33x = 1,243,181 × 548,238.97
  4. Step 4: Simplify right side
    828,787.33x = 681,560,270,963.57
  5. Step 5: Solve for x
    x = 681,560,270,963.57/828,787.33
  6. Step 6: Final answer
    x = 822,358.46

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Double scale
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Similar ratio
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1.5x scale

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.