Home / 789,399.36-1,183,818.24-228,317.76

Finding the Fourth Proportional to 789,399.36, 1,183,818.24 and 228,317.76

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Solution

The fourth proportional to 789,399.36, 1,183,818.24 and 228,317.76 is: 342,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,399.36 : 1,183,818.24 = 228,317.76 : x
  2. Step 2: Convert to fraction form
    789,399.36/1,183,818.24 = 228,317.76/x
  3. Step 3: Cross multiply
    789,399.36x = 1,183,818.24 × 228,317.76
  4. Step 4: Simplify right side
    789,399.36x = 270,286,728,803.94
  5. Step 5: Solve for x
    x = 270,286,728,803.94/789,399.36
  6. Step 6: Final answer
    x = 342,395.42

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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.