Home / 809,310.29-1,213,959.96-269,607.89

Finding the Fourth Proportional to 809,310.29, 1,213,959.96 and 269,607.89

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Solution

The fourth proportional to 809,310.29, 1,213,959.96 and 269,607.89 is: 404,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,310.29 : 1,213,959.96 = 269,607.89 : x
  2. Step 2: Convert to fraction form
    809,310.29/1,213,959.96 = 269,607.89/x
  3. Step 3: Cross multiply
    809,310.29x = 1,213,959.96 × 269,607.89
  4. Step 4: Simplify right side
    809,310.29x = 327,293,186,394.98
  5. Step 5: Solve for x
    x = 327,293,186,394.98/809,310.29
  6. Step 6: Final answer
    x = 404,410.02

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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.