Home / 792,198.45-1,188,647.60-319,806.45

Finding the Fourth Proportional to 792,198.45, 1,188,647.60 and 319,806.45

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Solution

The fourth proportional to 792,198.45, 1,188,647.60 and 319,806.45 is: 479,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,198.45 : 1,188,647.60 = 319,806.45 : x
  2. Step 2: Convert to fraction form
    792,198.45/1,188,647.60 = 319,806.45/x
  3. Step 3: Cross multiply
    792,198.45x = 1,188,647.60 × 319,806.45
  4. Step 4: Simplify right side
    792,198.45x = 380,137,167,657.99
  5. Step 5: Solve for x
    x = 380,137,167,657.99/792,198.45
  6. Step 6: Final answer
    x = 479,850.94

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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.