Home / 902,192.56-1,245,025.70-494,309.88

Finding the Fourth Proportional to 902,192.56, 1,245,025.70 and 494,309.88

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Solution

The fourth proportional to 902,192.56, 1,245,025.70 and 494,309.88 is: 682,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,192.56 : 1,245,025.70 = 494,309.88 : x
  2. Step 2: Convert to fraction form
    902,192.56/1,245,025.70 = 494,309.88/x
  3. Step 3: Cross multiply
    902,192.56x = 1,245,025.70 × 494,309.88
  4. Step 4: Simplify right side
    902,192.56x = 615,428,498,138.79
  5. Step 5: Solve for x
    x = 615,428,498,138.79/902,192.56
  6. Step 6: Final answer
    x = 682,147.61

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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.