Home / 486,944.27-672,413.97-303,495.92

Finding the Fourth Proportional to 486,944.27, 672,413.97 and 303,495.92

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Solution

The fourth proportional to 486,944.27, 672,413.97 and 303,495.92 is: 419,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,944.27 : 672,413.97 = 303,495.92 : x
  2. Step 2: Convert to fraction form
    486,944.27/672,413.97 = 303,495.92/x
  3. Step 3: Cross multiply
    486,944.27x = 672,413.97 × 303,495.92
  4. Step 4: Simplify right side
    486,944.27x = 204,074,893,237.27
  5. Step 5: Solve for x
    x = 204,074,893,237.27/486,944.27
  6. Step 6: Final answer
    x = 419,092.92

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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.