Home / 482,297.20-665,522.19-278,413.81

Finding the Fourth Proportional to 482,297.20, 665,522.19 and 278,413.81

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Solution

The fourth proportional to 482,297.20, 665,522.19 and 278,413.81 is: 384,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,297.20 : 665,522.19 = 278,413.81 : x
  2. Step 2: Convert to fraction form
    482,297.20/665,522.19 = 278,413.81/x
  3. Step 3: Cross multiply
    482,297.20x = 665,522.19 × 278,413.81
  4. Step 4: Simplify right side
    482,297.20x = 185,290,568,557.44
  5. Step 5: Solve for x
    x = 185,290,568,557.44/482,297.20
  6. Step 6: Final answer
    x = 384,183.38

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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.