Home / 741,405.35-1,112,194.42-268,313.51

Finding the Fourth Proportional to 741,405.35, 1,112,194.42 and 268,313.51

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Solution

The fourth proportional to 741,405.35, 1,112,194.42 and 268,313.51 is: 402,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,405.35 : 1,112,194.42 = 268,313.51 : x
  2. Step 2: Convert to fraction form
    741,405.35/1,112,194.42 = 268,313.51/x
  3. Step 3: Cross multiply
    741,405.35x = 1,112,194.42 × 268,313.51
  4. Step 4: Simplify right side
    741,405.35x = 298,416,782,400.86
  5. Step 5: Solve for x
    x = 298,416,782,400.86/741,405.35
  6. Step 6: Final answer
    x = 402,501.53

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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.