Home / 852,736.80-1,279,005.98-221,699.82

Finding the Fourth Proportional to 852,736.80, 1,279,005.98 and 221,699.82

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Solution

The fourth proportional to 852,736.80, 1,279,005.98 and 221,699.82 is: 332,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,736.80 : 1,279,005.98 = 221,699.82 : x
  2. Step 2: Convert to fraction form
    852,736.80/1,279,005.98 = 221,699.82/x
  3. Step 3: Cross multiply
    852,736.80x = 1,279,005.98 × 221,699.82
  4. Step 4: Simplify right side
    852,736.80x = 283,555,394,436.43
  5. Step 5: Solve for x
    x = 283,555,394,436.43/852,736.80
  6. Step 6: Final answer
    x = 332,523.93

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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.