Home / 726,703.80-1,002,837.24-404,413.44

Finding the Fourth Proportional to 726,703.80, 1,002,837.24 and 404,413.44

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Solution

The fourth proportional to 726,703.80, 1,002,837.24 and 404,413.44 is: 558,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,703.80 : 1,002,837.24 = 404,413.44 : x
  2. Step 2: Convert to fraction form
    726,703.80/1,002,837.24 = 404,413.44/x
  3. Step 3: Cross multiply
    726,703.80x = 1,002,837.24 × 404,413.44
  4. Step 4: Simplify right side
    726,703.80x = 405,560,857,988.51
  5. Step 5: Solve for x
    x = 405,560,857,988.51/726,703.80
  6. Step 6: Final answer
    x = 558,082.75

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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.