Home / 494,429.76-682,309.44-268,073.64

Finding the Fourth Proportional to 494,429.76, 682,309.44 and 268,073.64

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Solution

The fourth proportional to 494,429.76, 682,309.44 and 268,073.64 is: 369,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,429.76 : 682,309.44 = 268,073.64 : x
  2. Step 2: Convert to fraction form
    494,429.76/682,309.44 = 268,073.64/x
  3. Step 3: Cross multiply
    494,429.76x = 682,309.44 × 268,073.64
  4. Step 4: Simplify right side
    494,429.76x = 182,909,175,187.16
  5. Step 5: Solve for x
    x = 182,909,175,187.16/494,429.76
  6. Step 6: Final answer
    x = 369,939.66

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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.