Home / 902,139.12-1,244,936.88-494,237.16

Finding the Fourth Proportional to 902,139.12, 1,244,936.88 and 494,237.16

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Solution

The fourth proportional to 902,139.12, 1,244,936.88 and 494,237.16 is: 682,039.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,139.12 : 1,244,936.88 = 494,237.16 : x
  2. Step 2: Convert to fraction form
    902,139.12/1,244,936.88 = 494,237.16/x
  3. Step 3: Cross multiply
    902,139.12x = 1,244,936.88 × 494,237.16
  4. Step 4: Simplify right side
    902,139.12x = 615,294,067,950.46
  5. Step 5: Solve for x
    x = 615,294,067,950.46/902,139.12
  6. Step 6: Final answer
    x = 682,039.01

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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.