Home / 500,418.24-690,593.76-274,076.16

Finding the Fourth Proportional to 500,418.24, 690,593.76 and 274,076.16

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Solution

The fourth proportional to 500,418.24, 690,593.76 and 274,076.16 is: 378,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,418.24 : 690,593.76 = 274,076.16 : x
  2. Step 2: Convert to fraction form
    500,418.24/690,593.76 = 274,076.16/x
  3. Step 3: Cross multiply
    500,418.24x = 690,593.76 × 274,076.16
  4. Step 4: Simplify right side
    500,418.24x = 189,275,285,860.76
  5. Step 5: Solve for x
    x = 189,275,285,860.76/500,418.24
  6. Step 6: Final answer
    x = 378,234.19

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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.