Home / 872,414.91-1,308,622.81-273,422.71

Finding the Fourth Proportional to 872,414.91, 1,308,622.81 and 273,422.71

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Solution

The fourth proportional to 872,414.91, 1,308,622.81 and 273,422.71 is: 410,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,414.91 : 1,308,622.81 = 273,422.71 : x
  2. Step 2: Convert to fraction form
    872,414.91/1,308,622.81 = 273,422.71/x
  3. Step 3: Cross multiply
    872,414.91x = 1,308,622.81 × 273,422.71
  4. Step 4: Simplify right side
    872,414.91x = 357,807,195,078.02
  5. Step 5: Solve for x
    x = 357,807,195,078.02/872,414.91
  6. Step 6: Final answer
    x = 410,134.20

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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.