Home / 902,266.40-1,245,179.86-494,369.04

Finding the Fourth Proportional to 902,266.40, 1,245,179.86 and 494,369.04

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Solution

The fourth proportional to 902,266.40, 1,245,179.86 and 494,369.04 is: 682,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,266.40 : 1,245,179.86 = 494,369.04 : x
  2. Step 2: Convert to fraction form
    902,266.40/1,245,179.86 = 494,369.04/x
  3. Step 3: Cross multiply
    902,266.40x = 1,245,179.86 × 494,369.04
  4. Step 4: Simplify right side
    902,266.40x = 615,578,372,015.53
  5. Step 5: Solve for x
    x = 615,578,372,015.53/902,266.40
  6. Step 6: Final answer
    x = 682,257.89

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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.