Home / 792,097.20-1,188,145.80-259,489.80

Finding the Fourth Proportional to 792,097.20, 1,188,145.80 and 259,489.80

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Solution

The fourth proportional to 792,097.20, 1,188,145.80 and 259,489.80 is: 389,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,097.20 : 1,188,145.80 = 259,489.80 : x
  2. Step 2: Convert to fraction form
    792,097.20/1,188,145.80 = 259,489.80/x
  3. Step 3: Cross multiply
    792,097.20x = 1,188,145.80 × 259,489.80
  4. Step 4: Simplify right side
    792,097.20x = 308,311,716,012.84
  5. Step 5: Solve for x
    x = 308,311,716,012.84/792,097.20
  6. Step 6: Final answer
    x = 389,234.70

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Similar ratio
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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.