Home / 780,403.25-1,170,716.27-240,704.95

Finding the Fourth Proportional to 780,403.25, 1,170,716.27 and 240,704.95

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Solution

The fourth proportional to 780,403.25, 1,170,716.27 and 240,704.95 is: 361,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,403.25 : 1,170,716.27 = 240,704.95 : x
  2. Step 2: Convert to fraction form
    780,403.25/1,170,716.27 = 240,704.95/x
  3. Step 3: Cross multiply
    780,403.25x = 1,170,716.27 × 240,704.95
  4. Step 4: Simplify right side
    780,403.25x = 281,797,201,234.54
  5. Step 5: Solve for x
    x = 281,797,201,234.54/780,403.25
  6. Step 6: Final answer
    x = 361,091.78

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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.