Home / 494,862.15-682,917.71-268,507.65

Finding the Fourth Proportional to 494,862.15, 682,917.71 and 268,507.65

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Solution

The fourth proportional to 494,862.15, 682,917.71 and 268,507.65 is: 370,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,862.15 : 682,917.71 = 268,507.65 : x
  2. Step 2: Convert to fraction form
    494,862.15/682,917.71 = 268,507.65/x
  3. Step 3: Cross multiply
    494,862.15x = 682,917.71 × 268,507.65
  4. Step 4: Simplify right side
    494,862.15x = 183,368,628,112.94
  5. Step 5: Solve for x
    x = 183,368,628,112.94/494,862.15
  6. Step 6: Final answer
    x = 370,544.86

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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.