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Finding the Fourth Proportional to 599,913.54, 899,593.11 and 220,739.22

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Solution

The fourth proportional to 599,913.54, 899,593.11 and 220,739.22 is: 331,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,913.54 : 899,593.11 = 220,739.22 : x
  2. Step 2: Convert to fraction form
    599,913.54/899,593.11 = 220,739.22/x
  3. Step 3: Cross multiply
    599,913.54x = 899,593.11 × 220,739.22
  4. Step 4: Simplify right side
    599,913.54x = 198,575,481,418.77
  5. Step 5: Solve for x
    x = 198,575,481,418.77/599,913.54
  6. Step 6: Final answer
    x = 331,006.83

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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.