Home / 494,576.10-682,515.81-268,221.78

Finding the Fourth Proportional to 494,576.10, 682,515.81 and 268,221.78

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Solution

The fourth proportional to 494,576.10, 682,515.81 and 268,221.78 is: 370,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,576.10 : 682,515.81 = 268,221.78 : x
  2. Step 2: Convert to fraction form
    494,576.10/682,515.81 = 268,221.78/x
  3. Step 3: Cross multiply
    494,576.10x = 682,515.81 × 268,221.78
  4. Step 4: Simplify right side
    494,576.10x = 183,065,605,436.34
  5. Step 5: Solve for x
    x = 183,065,605,436.34/494,576.10
  6. Step 6: Final answer
    x = 370,146.49

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1.5x scale

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.