Home / 792,078.15-1,188,117.23-259,616.55

Finding the Fourth Proportional to 792,078.15, 1,188,117.23 and 259,616.55

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Solution

The fourth proportional to 792,078.15, 1,188,117.23 and 259,616.55 is: 389,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,078.15 : 1,188,117.23 = 259,616.55 : x
  2. Step 2: Convert to fraction form
    792,078.15/1,188,117.23 = 259,616.55/x
  3. Step 3: Cross multiply
    792,078.15x = 1,188,117.23 × 259,616.55
  4. Step 4: Simplify right side
    792,078.15x = 308,454,894,950.07
  5. Step 5: Solve for x
    x = 308,454,894,950.07/792,078.15
  6. Step 6: Final answer
    x = 389,424.83

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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.