Home / 671,103.45-1,006,812.84-221,824.34

Finding the Fourth Proportional to 671,103.45, 1,006,812.84 and 221,824.34

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Solution

The fourth proportional to 671,103.45, 1,006,812.84 and 221,824.34 is: 332,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,103.45 : 1,006,812.84 = 221,824.34 : x
  2. Step 2: Convert to fraction form
    671,103.45/1,006,812.84 = 221,824.34/x
  3. Step 3: Cross multiply
    671,103.45x = 1,006,812.84 × 221,824.34
  4. Step 4: Simplify right side
    671,103.45x = 223,335,593,736.53
  5. Step 5: Solve for x
    x = 223,335,593,736.53/671,103.45
  6. Step 6: Final answer
    x = 332,788.62

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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.