Home / 866,745.30-1,300,256.46-267,565.62

Finding the Fourth Proportional to 866,745.30, 1,300,256.46 and 267,565.62

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Solution

The fourth proportional to 866,745.30, 1,300,256.46 and 267,565.62 is: 401,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,745.30 : 1,300,256.46 = 267,565.62 : x
  2. Step 2: Convert to fraction form
    866,745.30/1,300,256.46 = 267,565.62/x
  3. Step 3: Cross multiply
    866,745.30x = 1,300,256.46 × 267,565.62
  4. Step 4: Simplify right side
    866,745.30x = 347,903,925,878.91
  5. Step 5: Solve for x
    x = 347,903,925,878.91/866,745.30
  6. Step 6: Final answer
    x = 401,391.19

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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.