Home / 866,380.66-1,299,607.88-267,328.55

Finding the Fourth Proportional to 866,380.66, 1,299,607.88 and 267,328.55

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Solution

The fourth proportional to 866,380.66, 1,299,607.88 and 267,328.55 is: 401,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,380.66 : 1,299,607.88 = 267,328.55 : x
  2. Step 2: Convert to fraction form
    866,380.66/1,299,607.88 = 267,328.55/x
  3. Step 3: Cross multiply
    866,380.66x = 1,299,607.88 × 267,328.55
  4. Step 4: Simplify right side
    866,380.66x = 347,422,292,041.35
  5. Step 5: Solve for x
    x = 347,422,292,041.35/866,380.66
  6. Step 6: Final answer
    x = 401,004.21

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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.