Home / 792,193.20-1,186,540.20-318,634.80

Finding the Fourth Proportional to 792,193.20, 1,186,540.20 and 318,634.80

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Solution

The fourth proportional to 792,193.20, 1,186,540.20 and 318,634.80 is: 477,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,193.20 : 1,186,540.20 = 318,634.80 : x
  2. Step 2: Convert to fraction form
    792,193.20/1,186,540.20 = 318,634.80/x
  3. Step 3: Cross multiply
    792,193.20x = 1,186,540.20 × 318,634.80
  4. Step 4: Simplify right side
    792,193.20x = 378,072,999,318.96
  5. Step 5: Solve for x
    x = 378,072,999,318.96/792,193.20
  6. Step 6: Final answer
    x = 477,248.48

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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.