Home / 494,379.60-682,245.36-268,025.28

Finding the Fourth Proportional to 494,379.60, 682,245.36 and 268,025.28

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Solution

The fourth proportional to 494,379.60, 682,245.36 and 268,025.28 is: 369,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,379.60 : 682,245.36 = 268,025.28 : x
  2. Step 2: Convert to fraction form
    494,379.60/682,245.36 = 268,025.28/x
  3. Step 3: Cross multiply
    494,379.60x = 682,245.36 × 268,025.28
  4. Step 4: Simplify right side
    494,379.60x = 182,859,003,642.70
  5. Step 5: Solve for x
    x = 182,859,003,642.70/494,379.60
  6. Step 6: Final answer
    x = 369,875.71

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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.