Home / 765,974.16-1,149,486.12-267,338.16

Finding the Fourth Proportional to 765,974.16, 1,149,486.12 and 267,338.16

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Solution

The fourth proportional to 765,974.16, 1,149,486.12 and 267,338.16 is: 401,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,974.16 : 1,149,486.12 = 267,338.16 : x
  2. Step 2: Convert to fraction form
    765,974.16/1,149,486.12 = 267,338.16/x
  3. Step 3: Cross multiply
    765,974.16x = 1,149,486.12 × 267,338.16
  4. Step 4: Simplify right side
    765,974.16x = 307,301,504,266.34
  5. Step 5: Solve for x
    x = 307,301,504,266.34/765,974.16
  6. Step 6: Final answer
    x = 401,190.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.