Home / 792,513.90-1,188,729.09-259,964.82

Finding the Fourth Proportional to 792,513.90, 1,188,729.09 and 259,964.82

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Solution

The fourth proportional to 792,513.90, 1,188,729.09 and 259,964.82 is: 389,933.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,513.90 : 1,188,729.09 = 259,964.82 : x
  2. Step 2: Convert to fraction form
    792,513.90/1,188,729.09 = 259,964.82/x
  3. Step 3: Cross multiply
    792,513.90x = 1,188,729.09 × 259,964.82
  4. Step 4: Simplify right side
    792,513.90x = 309,027,743,910.61
  5. Step 5: Solve for x
    x = 309,027,743,910.61/792,513.90
  6. Step 6: Final answer
    x = 389,933.53

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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.