Home / 792,601.20-1,188,901.80-259,993.80

Finding the Fourth Proportional to 792,601.20, 1,188,901.80 and 259,993.80

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Solution

The fourth proportional to 792,601.20, 1,188,901.80 and 259,993.80 is: 389,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,601.20 : 1,188,901.80 = 259,993.80 : x
  2. Step 2: Convert to fraction form
    792,601.20/1,188,901.80 = 259,993.80/x
  3. Step 3: Cross multiply
    792,601.20x = 1,188,901.80 × 259,993.80
  4. Step 4: Simplify right side
    792,601.20x = 309,107,096,808.84
  5. Step 5: Solve for x
    x = 309,107,096,808.84/792,601.20
  6. Step 6: Final answer
    x = 389,990.70

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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.