Home / 792,117.30-1,188,165.15-259,655.70

Finding the Fourth Proportional to 792,117.30, 1,188,165.15 and 259,655.70

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Solution

The fourth proportional to 792,117.30, 1,188,165.15 and 259,655.70 is: 389,480.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,117.30 : 1,188,165.15 = 259,655.70 : x
  2. Step 2: Convert to fraction form
    792,117.30/1,188,165.15 = 259,655.70/x
  3. Step 3: Cross multiply
    792,117.30x = 1,188,165.15 × 259,655.70
  4. Step 4: Simplify right side
    792,117.30x = 308,513,853,738.86
  5. Step 5: Solve for x
    x = 308,513,853,738.86/792,117.30
  6. Step 6: Final answer
    x = 389,480.01

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Double scale
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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.