Home / 862,084.20-1,189,629.42-474,824.26

Finding the Fourth Proportional to 862,084.20, 1,189,629.42 and 474,824.26

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Solution

The fourth proportional to 862,084.20, 1,189,629.42 and 474,824.26 is: 655,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,084.20 : 1,189,629.42 = 474,824.26 : x
  2. Step 2: Convert to fraction form
    862,084.20/1,189,629.42 = 474,824.26/x
  3. Step 3: Cross multiply
    862,084.20x = 1,189,629.42 × 474,824.26
  4. Step 4: Simplify right side
    862,084.20x = 564,864,909,025.73
  5. Step 5: Solve for x
    x = 564,864,909,025.73/862,084.20
  6. Step 6: Final answer
    x = 655,231.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.