Home / 902,008.28-1,244,755.68-494,118.20

Finding the Fourth Proportional to 902,008.28, 1,244,755.68 and 494,118.20

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Solution

The fourth proportional to 902,008.28, 1,244,755.68 and 494,118.20 is: 681,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,008.28 : 1,244,755.68 = 494,118.20 : x
  2. Step 2: Convert to fraction form
    902,008.28/1,244,755.68 = 494,118.20/x
  3. Step 3: Cross multiply
    902,008.28x = 1,244,755.68 × 494,118.20
  4. Step 4: Simplify right side
    902,008.28x = 615,056,436,041.38
  5. Step 5: Solve for x
    x = 615,056,436,041.38/902,008.28
  6. Step 6: Final answer
    x = 681,874.49

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Half scale
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Double scale
Find fourth proportional to 902,009.28, 1,244,757.06 and 494,119.20
Similar ratio
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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.