Home / 806,270.82-1,112,653.91-443,694.68

Finding the Fourth Proportional to 806,270.82, 1,112,653.91 and 443,694.68

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Solution

The fourth proportional to 806,270.82, 1,112,653.91 and 443,694.68 is: 612,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,270.82 : 1,112,653.91 = 443,694.68 : x
  2. Step 2: Convert to fraction form
    806,270.82/1,112,653.91 = 443,694.68/x
  3. Step 3: Cross multiply
    806,270.82x = 1,112,653.91 × 443,694.68
  4. Step 4: Simplify right side
    806,270.82x = 493,678,620,266.62
  5. Step 5: Solve for x
    x = 493,678,620,266.62/806,270.82
  6. Step 6: Final answer
    x = 612,298.75

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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.