Home / 902,012.28-1,244,761.20-494,122.20

Finding the Fourth Proportional to 902,012.28, 1,244,761.20 and 494,122.20

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Solution

The fourth proportional to 902,012.28, 1,244,761.20 and 494,122.20 is: 681,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,012.28 : 1,244,761.20 = 494,122.20 : x
  2. Step 2: Convert to fraction form
    902,012.28/1,244,761.20 = 494,122.20/x
  3. Step 3: Cross multiply
    902,012.28x = 1,244,761.20 × 494,122.20
  4. Step 4: Simplify right side
    902,012.28x = 615,064,142,618.64
  5. Step 5: Solve for x
    x = 615,064,142,618.64/902,012.28
  6. Step 6: Final answer
    x = 681,880.01

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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.