Home / 726,745.11-1,002,894.80-404,452.37

Finding the Fourth Proportional to 726,745.11, 1,002,894.80 and 404,452.37

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Solution

The fourth proportional to 726,745.11, 1,002,894.80 and 404,452.37 is: 558,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,745.11 : 1,002,894.80 = 404,452.37 : x
  2. Step 2: Convert to fraction form
    726,745.11/1,002,894.80 = 404,452.37/x
  3. Step 3: Cross multiply
    726,745.11x = 1,002,894.80 × 404,452.37
  4. Step 4: Simplify right side
    726,745.11x = 405,623,171,683.94
  5. Step 5: Solve for x
    x = 405,623,171,683.94/726,745.11
  6. Step 6: Final answer
    x = 558,136.77

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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.