Home / 866,684.04-1,299,321.42-361,621.20

Finding the Fourth Proportional to 866,684.04, 1,299,321.42 and 361,621.20

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Solution

The fourth proportional to 866,684.04, 1,299,321.42 and 361,621.20 is: 542,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,684.04 : 1,299,321.42 = 361,621.20 : x
  2. Step 2: Convert to fraction form
    866,684.04/1,299,321.42 = 361,621.20/x
  3. Step 3: Cross multiply
    866,684.04x = 1,299,321.42 × 361,621.20
  4. Step 4: Simplify right side
    866,684.04x = 469,862,171,086.10
  5. Step 5: Solve for x
    x = 469,862,171,086.10/866,684.04
  6. Step 6: Final answer
    x = 542,137.79

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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.