Home / 792,197.20-1,188,645.72-319,805.20

Finding the Fourth Proportional to 792,197.20, 1,188,645.72 and 319,805.20

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Solution

The fourth proportional to 792,197.20, 1,188,645.72 and 319,805.20 is: 479,849.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,197.20 : 1,188,645.72 = 319,805.20 : x
  2. Step 2: Convert to fraction form
    792,197.20/1,188,645.72 = 319,805.20/x
  3. Step 3: Cross multiply
    792,197.20x = 1,188,645.72 × 319,805.20
  4. Step 4: Simplify right side
    792,197.20x = 380,135,082,213.74
  5. Step 5: Solve for x
    x = 380,135,082,213.74/792,197.20
  6. Step 6: Final answer
    x = 479,849.06

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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.