Home / 800,129.24-1,104,197.57-455,957.78

Finding the Fourth Proportional to 800,129.24, 1,104,197.57 and 455,957.78

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Solution

The fourth proportional to 800,129.24, 1,104,197.57 and 455,957.78 is: 629,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,129.24 : 1,104,197.57 = 455,957.78 : x
  2. Step 2: Convert to fraction form
    800,129.24/1,104,197.57 = 455,957.78/x
  3. Step 3: Cross multiply
    800,129.24x = 1,104,197.57 × 455,957.78
  4. Step 4: Simplify right side
    800,129.24x = 503,467,466,607.66
  5. Step 5: Solve for x
    x = 503,467,466,607.66/800,129.24
  6. Step 6: Final answer
    x = 629,232.68

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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.