Home / 753,163.14-1,129,753.85-220,694.97

Finding the Fourth Proportional to 753,163.14, 1,129,753.85 and 220,694.97

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Solution

The fourth proportional to 753,163.14, 1,129,753.85 and 220,694.97 is: 331,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,163.14 : 1,129,753.85 = 220,694.97 : x
  2. Step 2: Convert to fraction form
    753,163.14/1,129,753.85 = 220,694.97/x
  3. Step 3: Cross multiply
    753,163.14x = 1,129,753.85 × 220,694.97
  4. Step 4: Simplify right side
    753,163.14x = 249,330,990,929.66
  5. Step 5: Solve for x
    x = 249,330,990,929.66/753,163.14
  6. Step 6: Final answer
    x = 331,045.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.