Home / 902,161.12-1,244,983.36-494,289.04

Finding the Fourth Proportional to 902,161.12, 1,244,983.36 and 494,289.04

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Solution

The fourth proportional to 902,161.12, 1,244,983.36 and 494,289.04 is: 682,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,161.12 : 1,244,983.36 = 494,289.04 : x
  2. Step 2: Convert to fraction form
    902,161.12/1,244,983.36 = 494,289.04/x
  3. Step 3: Cross multiply
    902,161.12x = 1,244,983.36 × 494,289.04
  4. Step 4: Simplify right side
    902,161.12x = 615,381,629,830.37
  5. Step 5: Solve for x
    x = 615,381,629,830.37/902,161.12
  6. Step 6: Final answer
    x = 682,119.43

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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.