Home / 734,628.25-1,102,016.19-273,129.57

Finding the Fourth Proportional to 734,628.25, 1,102,016.19 and 273,129.57

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Solution

The fourth proportional to 734,628.25, 1,102,016.19 and 273,129.57 is: 409,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,628.25 : 1,102,016.19 = 273,129.57 : x
  2. Step 2: Convert to fraction form
    734,628.25/1,102,016.19 = 273,129.57/x
  3. Step 3: Cross multiply
    734,628.25x = 1,102,016.19 × 273,129.57
  4. Step 4: Simplify right side
    734,628.25x = 300,993,208,107.74
  5. Step 5: Solve for x
    x = 300,993,208,107.74/734,628.25
  6. Step 6: Final answer
    x = 409,721.80

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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.