Home / 852,996.84-1,279,496.78-221,909.64

Finding the Fourth Proportional to 852,996.84, 1,279,496.78 and 221,909.64

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Solution

The fourth proportional to 852,996.84, 1,279,496.78 and 221,909.64 is: 332,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,996.84 : 1,279,496.78 = 221,909.64 : x
  2. Step 2: Convert to fraction form
    852,996.84/1,279,496.78 = 221,909.64/x
  3. Step 3: Cross multiply
    852,996.84x = 1,279,496.78 × 221,909.64
  4. Step 4: Simplify right side
    852,996.84x = 283,932,669,830.96
  5. Step 5: Solve for x
    x = 283,932,669,830.96/852,996.84
  6. Step 6: Final answer
    x = 332,864.86

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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.