Home / 792,005.30-1,188,007.95-259,543.70

Finding the Fourth Proportional to 792,005.30, 1,188,007.95 and 259,543.70

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Solution

The fourth proportional to 792,005.30, 1,188,007.95 and 259,543.70 is: 389,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,005.30 : 1,188,007.95 = 259,543.70 : x
  2. Step 2: Convert to fraction form
    792,005.30/1,188,007.95 = 259,543.70/x
  3. Step 3: Cross multiply
    792,005.30x = 1,188,007.95 × 259,543.70
  4. Step 4: Simplify right side
    792,005.30x = 308,339,978,972.42
  5. Step 5: Solve for x
    x = 308,339,978,972.42/792,005.30
  6. Step 6: Final answer
    x = 389,315.55

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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.