Home / 671,324.40-1,006,989.12-271,972.80

Finding the Fourth Proportional to 671,324.40, 1,006,989.12 and 271,972.80

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Solution

The fourth proportional to 671,324.40, 1,006,989.12 and 271,972.80 is: 407,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,324.40 : 1,006,989.12 = 271,972.80 : x
  2. Step 2: Convert to fraction form
    671,324.40/1,006,989.12 = 271,972.80/x
  3. Step 3: Cross multiply
    671,324.40x = 1,006,989.12 × 271,972.80
  4. Step 4: Simplify right side
    671,324.40x = 273,873,650,535.94
  5. Step 5: Solve for x
    x = 273,873,650,535.94/671,324.40
  6. Step 6: Final answer
    x = 407,960.22

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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.