Home / 789,482.66-1,184,299.01-220,863.87

Finding the Fourth Proportional to 789,482.66, 1,184,299.01 and 220,863.87

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Solution

The fourth proportional to 789,482.66, 1,184,299.01 and 220,863.87 is: 331,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,482.66 : 1,184,299.01 = 220,863.87 : x
  2. Step 2: Convert to fraction form
    789,482.66/1,184,299.01 = 220,863.87/x
  3. Step 3: Cross multiply
    789,482.66x = 1,184,299.01 × 220,863.87
  4. Step 4: Simplify right side
    789,482.66x = 261,568,861,481.45
  5. Step 5: Solve for x
    x = 261,568,861,481.45/789,482.66
  6. Step 6: Final answer
    x = 331,316.79

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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.