Home / 902,011.28-1,244,759.82-494,121.20

Finding the Fourth Proportional to 902,011.28, 1,244,759.82 and 494,121.20

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Solution

The fourth proportional to 902,011.28, 1,244,759.82 and 494,121.20 is: 681,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,011.28 : 1,244,759.82 = 494,121.20 : x
  2. Step 2: Convert to fraction form
    902,011.28/1,244,759.82 = 494,121.20/x
  3. Step 3: Cross multiply
    902,011.28x = 1,244,759.82 × 494,121.20
  4. Step 4: Simplify right side
    902,011.28x = 615,062,215,970.18
  5. Step 5: Solve for x
    x = 615,062,215,970.18/902,011.28
  6. Step 6: Final answer
    x = 681,878.63

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Double scale
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1.5x scale

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.