Home / 419,523.93-578,940.03-228,537.27

Finding the Fourth Proportional to 419,523.93, 578,940.03 and 228,537.27

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Solution

The fourth proportional to 419,523.93, 578,940.03 and 228,537.27 is: 315,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,523.93 : 578,940.03 = 228,537.27 : x
  2. Step 2: Convert to fraction form
    419,523.93/578,940.03 = 228,537.27/x
  3. Step 3: Cross multiply
    419,523.93x = 578,940.03 × 228,537.27
  4. Step 4: Simplify right side
    419,523.93x = 132,309,373,949.92
  5. Step 5: Solve for x
    x = 132,309,373,949.92/419,523.93
  6. Step 6: Final answer
    x = 315,379.80

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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.