Home / 681,704.20-1,022,546.70-307,726.60

Finding the Fourth Proportional to 681,704.20, 1,022,546.70 and 307,726.60

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Solution

The fourth proportional to 681,704.20, 1,022,546.70 and 307,726.60 is: 461,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,704.20 : 1,022,546.70 = 307,726.60 : x
  2. Step 2: Convert to fraction form
    681,704.20/1,022,546.70 = 307,726.60/x
  3. Step 3: Cross multiply
    681,704.20x = 1,022,546.70 × 307,726.60
  4. Step 4: Simplify right side
    681,704.20x = 314,664,819,332.22
  5. Step 5: Solve for x
    x = 314,664,819,332.22/681,704.20
  6. Step 6: Final answer
    x = 461,585.57

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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.