Home / 721,550.46-1,082,021.20-216,183.29

Finding the Fourth Proportional to 721,550.46, 1,082,021.20 and 216,183.29

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Solution

The fourth proportional to 721,550.46, 1,082,021.20 and 216,183.29 is: 324,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,550.46 : 1,082,021.20 = 216,183.29 : x
  2. Step 2: Convert to fraction form
    721,550.46/1,082,021.20 = 216,183.29/x
  3. Step 3: Cross multiply
    721,550.46x = 1,082,021.20 × 216,183.29
  4. Step 4: Simplify right side
    721,550.46x = 233,914,901,784.83
  5. Step 5: Solve for x
    x = 233,914,901,784.83/721,550.46
  6. Step 6: Final answer
    x = 324,183.71

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1.5x scale

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.