Home / 741,409.29-1,112,200.32-268,317.45

Finding the Fourth Proportional to 741,409.29, 1,112,200.32 and 268,317.45

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Solution

The fourth proportional to 741,409.29, 1,112,200.32 and 268,317.45 is: 402,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,409.29 : 1,112,200.32 = 268,317.45 : x
  2. Step 2: Convert to fraction form
    741,409.29/1,112,200.32 = 268,317.45/x
  3. Step 3: Cross multiply
    741,409.29x = 1,112,200.32 × 268,317.45
  4. Step 4: Simplify right side
    741,409.29x = 298,422,753,751.58
  5. Step 5: Solve for x
    x = 298,422,753,751.58/741,409.29
  6. Step 6: Final answer
    x = 402,507.44

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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.