Home / 494,860.65-682,915.64-268,506.15

Finding the Fourth Proportional to 494,860.65, 682,915.64 and 268,506.15

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Solution

The fourth proportional to 494,860.65, 682,915.64 and 268,506.15 is: 370,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,860.65 : 682,915.64 = 268,506.15 : x
  2. Step 2: Convert to fraction form
    494,860.65/682,915.64 = 268,506.15/x
  3. Step 3: Cross multiply
    494,860.65x = 682,915.64 × 268,506.15
  4. Step 4: Simplify right side
    494,860.65x = 183,367,047,928.66
  5. Step 5: Solve for x
    x = 183,367,047,928.66/494,860.65
  6. Step 6: Final answer
    x = 370,542.79

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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.