Home / 494,871.40-682,930.47-268,516.90

Finding the Fourth Proportional to 494,871.40, 682,930.47 and 268,516.90

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Solution

The fourth proportional to 494,871.40, 682,930.47 and 268,516.90 is: 370,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,871.40 : 682,930.47 = 268,516.90 : x
  2. Step 2: Convert to fraction form
    494,871.40/682,930.47 = 268,516.90/x
  3. Step 3: Cross multiply
    494,871.40x = 682,930.47 × 268,516.90
  4. Step 4: Simplify right side
    494,871.40x = 183,378,372,719.94
  5. Step 5: Solve for x
    x = 183,378,372,719.94/494,871.40
  6. Step 6: Final answer
    x = 370,557.63

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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.