Home / 792,842.22-1,188,927.99-319,400.46

Finding the Fourth Proportional to 792,842.22, 1,188,927.99 and 319,400.46

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Solution

The fourth proportional to 792,842.22, 1,188,927.99 and 319,400.46 is: 478,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,842.22 : 1,188,927.99 = 319,400.46 : x
  2. Step 2: Convert to fraction form
    792,842.22/1,188,927.99 = 319,400.46/x
  3. Step 3: Cross multiply
    792,842.22x = 1,188,927.99 × 319,400.46
  4. Step 4: Simplify right side
    792,842.22x = 379,744,146,912.88
  5. Step 5: Solve for x
    x = 379,744,146,912.88/792,842.22
  6. Step 6: Final answer
    x = 478,965.60

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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.