Home / 978,839.21-1,468,255.97-268,867.94

Finding the Fourth Proportional to 978,839.21, 1,468,255.97 and 268,867.94

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Solution

The fourth proportional to 978,839.21, 1,468,255.97 and 268,867.94 is: 403,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,839.21 : 1,468,255.97 = 268,867.94 : x
  2. Step 2: Convert to fraction form
    978,839.21/1,468,255.97 = 268,867.94/x
  3. Step 3: Cross multiply
    978,839.21x = 1,468,255.97 × 268,867.94
  4. Step 4: Simplify right side
    978,839.21x = 394,766,949,360.98
  5. Step 5: Solve for x
    x = 394,766,949,360.98/978,839.21
  6. Step 6: Final answer
    x = 403,301.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.