Home / 765,970.66-1,149,480.87-267,334.66

Finding the Fourth Proportional to 765,970.66, 1,149,480.87 and 267,334.66

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Solution

The fourth proportional to 765,970.66, 1,149,480.87 and 267,334.66 is: 401,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,970.66 : 1,149,480.87 = 267,334.66 : x
  2. Step 2: Convert to fraction form
    765,970.66/1,149,480.87 = 267,334.66/x
  3. Step 3: Cross multiply
    765,970.66x = 1,149,480.87 × 267,334.66
  4. Step 4: Simplify right side
    765,970.66x = 307,296,077,557.95
  5. Step 5: Solve for x
    x = 307,296,077,557.95/765,970.66
  6. Step 6: Final answer
    x = 401,185.18

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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.