Home / 866,811.30-1,300,355.46-267,631.62

Finding the Fourth Proportional to 866,811.30, 1,300,355.46 and 267,631.62

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Solution

The fourth proportional to 866,811.30, 1,300,355.46 and 267,631.62 is: 401,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,811.30 : 1,300,355.46 = 267,631.62 : x
  2. Step 2: Convert to fraction form
    866,811.30/1,300,355.46 = 267,631.62/x
  3. Step 3: Cross multiply
    866,811.30x = 1,300,355.46 × 267,631.62
  4. Step 4: Simplify right side
    866,811.30x = 348,016,238,335.65
  5. Step 5: Solve for x
    x = 348,016,238,335.65/866,811.30
  6. Step 6: Final answer
    x = 401,490.20

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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.