Home / 741,831.12-1,112,933.79-342,754.04

Finding the Fourth Proportional to 741,831.12, 1,112,933.79 and 342,754.04

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Solution

The fourth proportional to 741,831.12, 1,112,933.79 and 342,754.04 is: 514,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,831.12 : 1,112,933.79 = 342,754.04 : x
  2. Step 2: Convert to fraction form
    741,831.12/1,112,933.79 = 342,754.04/x
  3. Step 3: Cross multiply
    741,831.12x = 1,112,933.79 × 342,754.04
  4. Step 4: Simplify right side
    741,831.12x = 381,462,555,557.35
  5. Step 5: Solve for x
    x = 381,462,555,557.35/741,831.12
  6. Step 6: Final answer
    x = 514,217.52

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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.