Home / 792,177.90-1,188,266.85-259,716.30

Finding the Fourth Proportional to 792,177.90, 1,188,266.85 and 259,716.30

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Solution

The fourth proportional to 792,177.90, 1,188,266.85 and 259,716.30 is: 389,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,177.90 : 1,188,266.85 = 259,716.30 : x
  2. Step 2: Convert to fraction form
    792,177.90/1,188,266.85 = 259,716.30/x
  3. Step 3: Cross multiply
    792,177.90x = 1,188,266.85 × 259,716.30
  4. Step 4: Simplify right side
    792,177.90x = 308,612,269,694.66
  5. Step 5: Solve for x
    x = 308,612,269,694.66/792,177.90
  6. Step 6: Final answer
    x = 389,574.45

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Double scale
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Similar ratio
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1.5x scale

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.