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Finding the Fourth Proportional to 805,302, 1,111,288.44 and 442,723.22

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Solution

The fourth proportional to 805,302, 1,111,288.44 and 442,723.22 is: 610,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,302 : 1,111,288.44 = 442,723.22 : x
  2. Step 2: Convert to fraction form
    805,302/1,111,288.44 = 442,723.22/x
  3. Step 3: Cross multiply
    805,302x = 1,111,288.44 × 442,723.22
  4. Step 4: Simplify right side
    805,302x = 491,993,196,776.68
  5. Step 5: Solve for x
    x = 491,993,196,776.68/805,302
  6. Step 6: Final answer
    x = 610,942.47

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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.