Home / 741,621-1,111,771.76-268,201.11

Finding the Fourth Proportional to 741,621, 1,111,771.76 and 268,201.11

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Solution

The fourth proportional to 741,621, 1,111,771.76 and 268,201.11 is: 402,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,621 : 1,111,771.76 = 268,201.11 : x
  2. Step 2: Convert to fraction form
    741,621/1,111,771.76 = 268,201.11/x
  3. Step 3: Cross multiply
    741,621x = 1,111,771.76 × 268,201.11
  4. Step 4: Simplify right side
    741,621x = 298,178,418,757.65
  5. Step 5: Solve for x
    x = 298,178,418,757.65/741,621
  6. Step 6: Final answer
    x = 402,063.07

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Why These Related Problems?

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