Home / 902,086.66-1,244,881.11-494,179.57

Finding the Fourth Proportional to 902,086.66, 1,244,881.11 and 494,179.57

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Solution

The fourth proportional to 902,086.66, 1,244,881.11 and 494,179.57 is: 681,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,086.66 : 1,244,881.11 = 494,179.57 : x
  2. Step 2: Convert to fraction form
    902,086.66/1,244,881.11 = 494,179.57/x
  3. Step 3: Cross multiply
    902,086.66x = 1,244,881.11 × 494,179.57
  4. Step 4: Simplify right side
    902,086.66x = 615,194,811,640.92
  5. Step 5: Solve for x
    x = 615,194,811,640.92/902,086.66
  6. Step 6: Final answer
    x = 681,968.64

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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.