Home / 728,982.87-1,093,552.20-308,301.27

Finding the Fourth Proportional to 728,982.87, 1,093,552.20 and 308,301.27

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Solution

The fourth proportional to 728,982.87, 1,093,552.20 and 308,301.27 is: 462,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,982.87 : 1,093,552.20 = 308,301.27 : x
  2. Step 2: Convert to fraction form
    728,982.87/1,093,552.20 = 308,301.27/x
  3. Step 3: Cross multiply
    728,982.87x = 1,093,552.20 × 308,301.27
  4. Step 4: Simplify right side
    728,982.87x = 337,143,532,071.29
  5. Step 5: Solve for x
    x = 337,143,532,071.29/728,982.87
  6. Step 6: Final answer
    x = 462,484.85

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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.