Home / 726,274.62-1,002,163.59-403,920.54

Finding the Fourth Proportional to 726,274.62, 1,002,163.59 and 403,920.54

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Solution

The fourth proportional to 726,274.62, 1,002,163.59 and 403,920.54 is: 557,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,274.62 : 1,002,163.59 = 403,920.54 : x
  2. Step 2: Convert to fraction form
    726,274.62/1,002,163.59 = 403,920.54/x
  3. Step 3: Cross multiply
    726,274.62x = 1,002,163.59 × 403,920.54
  4. Step 4: Simplify right side
    726,274.62x = 404,794,458,441.14
  5. Step 5: Solve for x
    x = 404,794,458,441.14/726,274.62
  6. Step 6: Final answer
    x = 557,357.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.