Home / 809,231.88-1,213,906.13-310,595.88

Finding the Fourth Proportional to 809,231.88, 1,213,906.13 and 310,595.88

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Solution

The fourth proportional to 809,231.88, 1,213,906.13 and 310,595.88 is: 465,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,231.88 : 1,213,906.13 = 310,595.88 : x
  2. Step 2: Convert to fraction form
    809,231.88/1,213,906.13 = 310,595.88/x
  3. Step 3: Cross multiply
    809,231.88x = 1,213,906.13 × 310,595.88
  4. Step 4: Simplify right side
    809,231.88x = 377,034,237,391.70
  5. Step 5: Solve for x
    x = 377,034,237,391.70/809,231.88
  6. Step 6: Final answer
    x = 465,916.20

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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.