Home / 978,776.59-1,467,921.88-268,769.47

Finding the Fourth Proportional to 978,776.59, 1,467,921.88 and 268,769.47

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Solution

The fourth proportional to 978,776.59, 1,467,921.88 and 268,769.47 is: 403,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,776.59 : 1,467,921.88 = 268,769.47 : x
  2. Step 2: Convert to fraction form
    978,776.59/1,467,921.88 = 268,769.47/x
  3. Step 3: Cross multiply
    978,776.59x = 1,467,921.88 × 268,769.47
  4. Step 4: Simplify right side
    978,776.59x = 394,532,585,689.00
  5. Step 5: Solve for x
    x = 394,532,585,689.00/978,776.59
  6. Step 6: Final answer
    x = 403,087.48

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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.