Home / 494,603.10-682,553.07-268,248.78

Finding the Fourth Proportional to 494,603.10, 682,553.07 and 268,248.78

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Solution

The fourth proportional to 494,603.10, 682,553.07 and 268,248.78 is: 370,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,603.10 : 682,553.07 = 268,248.78 : x
  2. Step 2: Convert to fraction form
    494,603.10/682,553.07 = 268,248.78/x
  3. Step 3: Cross multiply
    494,603.10x = 682,553.07 × 268,248.78
  4. Step 4: Simplify right side
    494,603.10x = 183,094,028,312.76
  5. Step 5: Solve for x
    x = 183,094,028,312.76/494,603.10
  6. Step 6: Final answer
    x = 370,183.75

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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.