Home / 389,731.22-537,874.46-324,204.29

Finding the Fourth Proportional to 389,731.22, 537,874.46 and 324,204.29

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Solution

The fourth proportional to 389,731.22, 537,874.46 and 324,204.29 is: 447,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,731.22 : 537,874.46 = 324,204.29 : x
  2. Step 2: Convert to fraction form
    389,731.22/537,874.46 = 324,204.29/x
  3. Step 3: Cross multiply
    389,731.22x = 537,874.46 × 324,204.29
  4. Step 4: Simplify right side
    389,731.22x = 174,381,203,103.04
  5. Step 5: Solve for x
    x = 174,381,203,103.04/389,731.22
  6. Step 6: Final answer
    x = 447,439.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.