Home / 804,986.77-1,110,906.74-442,404.04

Finding the Fourth Proportional to 804,986.77, 1,110,906.74 and 442,404.04

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Solution

The fourth proportional to 804,986.77, 1,110,906.74 and 442,404.04 is: 610,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,986.77 : 1,110,906.74 = 442,404.04 : x
  2. Step 2: Convert to fraction form
    804,986.77/1,110,906.74 = 442,404.04/x
  3. Step 3: Cross multiply
    804,986.77x = 1,110,906.74 × 442,404.04
  4. Step 4: Simplify right side
    804,986.77x = 491,469,629,839.23
  5. Step 5: Solve for x
    x = 491,469,629,839.23/804,986.77
  6. Step 6: Final answer
    x = 610,531.31

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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.