Home / 902,143.12-1,244,942.40-494,241.16

Finding the Fourth Proportional to 902,143.12, 1,244,942.40 and 494,241.16

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Solution

The fourth proportional to 902,143.12, 1,244,942.40 and 494,241.16 is: 682,044.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,143.12 : 1,244,942.40 = 494,241.16 : x
  2. Step 2: Convert to fraction form
    902,143.12/1,244,942.40 = 494,241.16/x
  3. Step 3: Cross multiply
    902,143.12x = 1,244,942.40 × 494,241.16
  4. Step 4: Simplify right side
    902,143.12x = 615,301,775,909.18
  5. Step 5: Solve for x
    x = 615,301,775,909.18/902,143.12
  6. Step 6: Final answer
    x = 682,044.53

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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.