Home / 494,441.12-682,322.16-268,081.76

Finding the Fourth Proportional to 494,441.12, 682,322.16 and 268,081.76

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Solution

The fourth proportional to 494,441.12, 682,322.16 and 268,081.76 is: 369,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,441.12 : 682,322.16 = 268,081.76 : x
  2. Step 2: Convert to fraction form
    494,441.12/682,322.16 = 268,081.76/x
  3. Step 3: Cross multiply
    494,441.12x = 682,322.16 × 268,081.76
  4. Step 4: Simplify right side
    494,441.12x = 182,918,125,539.80
  5. Step 5: Solve for x
    x = 182,918,125,539.80/494,441.12
  6. Step 6: Final answer
    x = 369,949.26

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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.