Home / 866,812.30-1,300,356.96-267,632.62

Finding the Fourth Proportional to 866,812.30, 1,300,356.96 and 267,632.62

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Solution

The fourth proportional to 866,812.30, 1,300,356.96 and 267,632.62 is: 401,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,812.30 : 1,300,356.96 = 267,632.62 : x
  2. Step 2: Convert to fraction form
    866,812.30/1,300,356.96 = 267,632.62/x
  3. Step 3: Cross multiply
    866,812.30x = 1,300,356.96 × 267,632.62
  4. Step 4: Simplify right side
    866,812.30x = 348,017,940,140.04
  5. Step 5: Solve for x
    x = 348,017,940,140.04/866,812.30
  6. Step 6: Final answer
    x = 401,491.70

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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.