Home / 800,105.90-1,104,135.30-455,962.28

Finding the Fourth Proportional to 800,105.90, 1,104,135.30 and 455,962.28

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Solution

The fourth proportional to 800,105.90, 1,104,135.30 and 455,962.28 is: 629,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,105.90 : 1,104,135.30 = 455,962.28 : x
  2. Step 2: Convert to fraction form
    800,105.90/1,104,135.30 = 455,962.28/x
  3. Step 3: Cross multiply
    800,105.90x = 1,104,135.30 × 455,962.28
  4. Step 4: Simplify right side
    800,105.90x = 503,444,043,295.81
  5. Step 5: Solve for x
    x = 503,444,043,295.81/800,105.90
  6. Step 6: Final answer
    x = 629,221.76

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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.