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Finding the Fourth Proportional to 551,481.80, 827,222.70 and 298,883.30

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Solution

The fourth proportional to 551,481.80, 827,222.70 and 298,883.30 is: 448,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,481.80 : 827,222.70 = 298,883.30 : x
  2. Step 2: Convert to fraction form
    551,481.80/827,222.70 = 298,883.30/x
  3. Step 3: Cross multiply
    551,481.80x = 827,222.70 × 298,883.30
  4. Step 4: Simplify right side
    551,481.80x = 247,243,050,410.91
  5. Step 5: Solve for x
    x = 247,243,050,410.91/551,481.80
  6. Step 6: Final answer
    x = 448,324.95

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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.