Home / 792,137.55-1,188,206.33-259,712.40

Finding the Fourth Proportional to 792,137.55, 1,188,206.33 and 259,712.40

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Solution

The fourth proportional to 792,137.55, 1,188,206.33 and 259,712.40 is: 389,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,137.55 : 1,188,206.33 = 259,712.40 : x
  2. Step 2: Convert to fraction form
    792,137.55/1,188,206.33 = 259,712.40/x
  3. Step 3: Cross multiply
    792,137.55x = 1,188,206.33 × 259,712.40
  4. Step 4: Simplify right side
    792,137.55x = 308,591,916,360.93
  5. Step 5: Solve for x
    x = 308,591,916,360.93/792,137.55
  6. Step 6: Final answer
    x = 389,568.60

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Double scale
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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.