Home / 691,114.32-1,036,243.79-269,894.88

Finding the Fourth Proportional to 691,114.32, 1,036,243.79 and 269,894.88

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Solution

The fourth proportional to 691,114.32, 1,036,243.79 and 269,894.88 is: 404,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,114.32 : 1,036,243.79 = 269,894.88 : x
  2. Step 2: Convert to fraction form
    691,114.32/1,036,243.79 = 269,894.88/x
  3. Step 3: Cross multiply
    691,114.32x = 1,036,243.79 × 269,894.88
  4. Step 4: Simplify right side
    691,114.32x = 279,676,888,171.58
  5. Step 5: Solve for x
    x = 279,676,888,171.58/691,114.32
  6. Step 6: Final answer
    x = 404,675.29

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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.