Home / 804,986.52-1,110,906.39-442,403.79

Finding the Fourth Proportional to 804,986.52, 1,110,906.39 and 442,403.79

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Solution

The fourth proportional to 804,986.52, 1,110,906.39 and 442,403.79 is: 610,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,986.52 : 1,110,906.39 = 442,403.79 : x
  2. Step 2: Convert to fraction form
    804,986.52/1,110,906.39 = 442,403.79/x
  3. Step 3: Cross multiply
    804,986.52x = 1,110,906.39 × 442,403.79
  4. Step 4: Simplify right side
    804,986.52x = 491,469,197,271.22
  5. Step 5: Solve for x
    x = 491,469,197,271.22/804,986.52
  6. Step 6: Final answer
    x = 610,530.97

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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.