Home / 741,821.44-1,112,452.80-268,389.76

Finding the Fourth Proportional to 741,821.44, 1,112,452.80 and 268,389.76

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Solution

The fourth proportional to 741,821.44, 1,112,452.80 and 268,389.76 is: 402,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,821.44 : 1,112,452.80 = 268,389.76 : x
  2. Step 2: Convert to fraction form
    741,821.44/1,112,452.80 = 268,389.76/x
  3. Step 3: Cross multiply
    741,821.44x = 1,112,452.80 × 268,389.76
  4. Step 4: Simplify right side
    741,821.44x = 298,570,940,003.33
  5. Step 5: Solve for x
    x = 298,570,940,003.33/741,821.44
  6. Step 6: Final answer
    x = 402,483.57

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1.5x scale

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.