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Finding the Fourth Proportional to 800,132, 1,104,201.32 and 455,960.56

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Solution

The fourth proportional to 800,132, 1,104,201.32 and 455,960.56 is: 629,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,132 : 1,104,201.32 = 455,960.56 : x
  2. Step 2: Convert to fraction form
    800,132/1,104,201.32 = 455,960.56/x
  3. Step 3: Cross multiply
    800,132x = 1,104,201.32 × 455,960.56
  4. Step 4: Simplify right side
    800,132x = 503,472,252,219.94
  5. Step 5: Solve for x
    x = 503,472,252,219.94/800,132
  6. Step 6: Final answer
    x = 629,236.49

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1.5x scale

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.