Home / 741,776.20-1,112,172.72-268,399.96

Finding the Fourth Proportional to 741,776.20, 1,112,172.72 and 268,399.96

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Solution

The fourth proportional to 741,776.20, 1,112,172.72 and 268,399.96 is: 402,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,776.20 : 1,112,172.72 = 268,399.96 : x
  2. Step 2: Convert to fraction form
    741,776.20/1,112,172.72 = 268,399.96/x
  3. Step 3: Cross multiply
    741,776.20x = 1,112,172.72 × 268,399.96
  4. Step 4: Simplify right side
    741,776.20x = 298,507,113,561.09
  5. Step 5: Solve for x
    x = 298,507,113,561.09/741,776.20
  6. Step 6: Final answer
    x = 402,422.07

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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.