Home / 691,113.32-1,036,242.29-269,893.88

Finding the Fourth Proportional to 691,113.32, 1,036,242.29 and 269,893.88

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Solution

The fourth proportional to 691,113.32, 1,036,242.29 and 269,893.88 is: 404,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,113.32 : 1,036,242.29 = 269,893.88 : x
  2. Step 2: Convert to fraction form
    691,113.32/1,036,242.29 = 269,893.88/x
  3. Step 3: Cross multiply
    691,113.32x = 1,036,242.29 × 269,893.88
  4. Step 4: Simplify right side
    691,113.32x = 279,675,447,761.71
  5. Step 5: Solve for x
    x = 279,675,447,761.71/691,113.32
  6. Step 6: Final answer
    x = 404,673.79

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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.