Home / 789,057.17-1,183,413.93-212,667

Finding the Fourth Proportional to 789,057.17, 1,183,413.93 and 212,667

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Solution

The fourth proportional to 789,057.17, 1,183,413.93 and 212,667 is: 318,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,057.17 : 1,183,413.93 = 212,667 : x
  2. Step 2: Convert to fraction form
    789,057.17/1,183,413.93 = 212,667/x
  3. Step 3: Cross multiply
    789,057.17x = 1,183,413.93 × 212,667
  4. Step 4: Simplify right side
    789,057.17x = 251,673,091,048.81
  5. Step 5: Solve for x
    x = 251,673,091,048.81/789,057.17
  6. Step 6: Final answer
    x = 318,954.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.