Home / 494,890.40-682,956.69-268,535.90

Finding the Fourth Proportional to 494,890.40, 682,956.69 and 268,535.90

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Solution

The fourth proportional to 494,890.40, 682,956.69 and 268,535.90 is: 370,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,890.40 : 682,956.69 = 268,535.90 : x
  2. Step 2: Convert to fraction form
    494,890.40/682,956.69 = 268,535.90/x
  3. Step 3: Cross multiply
    494,890.40x = 682,956.69 × 268,535.90
  4. Step 4: Simplify right side
    494,890.40x = 183,398,389,410.17
  5. Step 5: Solve for x
    x = 183,398,389,410.17/494,890.40
  6. Step 6: Final answer
    x = 370,583.85

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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.