Home / 866,490.66-1,299,615.48-267,471.36

Finding the Fourth Proportional to 866,490.66, 1,299,615.48 and 267,471.36

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Solution

The fourth proportional to 866,490.66, 1,299,615.48 and 267,471.36 is: 401,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,490.66 : 1,299,615.48 = 267,471.36 : x
  2. Step 2: Convert to fraction form
    866,490.66/1,299,615.48 = 267,471.36/x
  3. Step 3: Cross multiply
    866,490.66x = 1,299,615.48 × 267,471.36
  4. Step 4: Simplify right side
    866,490.66x = 347,609,919,912.65
  5. Step 5: Solve for x
    x = 347,609,919,912.65/866,490.66
  6. Step 6: Final answer
    x = 401,169.84

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1.5x scale

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.