Home / 792,100.95-1,188,151.43-259,493.55

Finding the Fourth Proportional to 792,100.95, 1,188,151.43 and 259,493.55

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Solution

The fourth proportional to 792,100.95, 1,188,151.43 and 259,493.55 is: 389,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,100.95 : 1,188,151.43 = 259,493.55 : x
  2. Step 2: Convert to fraction form
    792,100.95/1,188,151.43 = 259,493.55/x
  3. Step 3: Cross multiply
    792,100.95x = 1,188,151.43 × 259,493.55
  4. Step 4: Simplify right side
    792,100.95x = 308,317,631,210.81
  5. Step 5: Solve for x
    x = 308,317,631,210.81/792,100.95
  6. Step 6: Final answer
    x = 389,240.33

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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.