Home / 866,493.34-1,299,239.72-267,293.61

Finding the Fourth Proportional to 866,493.34, 1,299,239.72 and 267,293.61

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Solution

The fourth proportional to 866,493.34, 1,299,239.72 and 267,293.61 is: 400,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,493.34 : 1,299,239.72 = 267,293.61 : x
  2. Step 2: Convert to fraction form
    866,493.34/1,299,239.72 = 267,293.61/x
  3. Step 3: Cross multiply
    866,493.34x = 1,299,239.72 × 267,293.61
  4. Step 4: Simplify right side
    866,493.34x = 347,278,475,014.19
  5. Step 5: Solve for x
    x = 347,278,475,014.19/866,493.34
  6. Step 6: Final answer
    x = 400,786.09

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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.