Home / 727,645.20-1,091,631.42-222,163.90

Finding the Fourth Proportional to 727,645.20, 1,091,631.42 and 222,163.90

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Solution

The fourth proportional to 727,645.20, 1,091,631.42 and 222,163.90 is: 333,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,645.20 : 1,091,631.42 = 222,163.90 : x
  2. Step 2: Convert to fraction form
    727,645.20/1,091,631.42 = 222,163.90/x
  3. Step 3: Cross multiply
    727,645.20x = 1,091,631.42 × 222,163.90
  4. Step 4: Simplify right side
    727,645.20x = 242,521,093,629.74
  5. Step 5: Solve for x
    x = 242,521,093,629.74/727,645.20
  6. Step 6: Final answer
    x = 333,295.81

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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.