Home / 902,007.12-1,244,754.90-494,105.16

Finding the Fourth Proportional to 902,007.12, 1,244,754.90 and 494,105.16

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Solution

The fourth proportional to 902,007.12, 1,244,754.90 and 494,105.16 is: 681,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,007.12 : 1,244,754.90 = 494,105.16 : x
  2. Step 2: Convert to fraction form
    902,007.12/1,244,754.90 = 494,105.16/x
  3. Step 3: Cross multiply
    902,007.12x = 1,244,754.90 × 494,105.16
  4. Step 4: Simplify right side
    902,007.12x = 615,039,819,025.28
  5. Step 5: Solve for x
    x = 615,039,819,025.28/902,007.12
  6. Step 6: Final answer
    x = 681,856.94

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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.