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Finding the Fourth Proportional to 626,393.94, 938,753.37 and 326,244.39

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Solution

The fourth proportional to 626,393.94, 938,753.37 and 326,244.39 is: 488,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,393.94 : 938,753.37 = 326,244.39 : x
  2. Step 2: Convert to fraction form
    626,393.94/938,753.37 = 326,244.39/x
  3. Step 3: Cross multiply
    626,393.94x = 938,753.37 × 326,244.39
  4. Step 4: Simplify right side
    626,393.94x = 306,263,020,556.09
  5. Step 5: Solve for x
    x = 306,263,020,556.09/626,393.94
  6. Step 6: Final answer
    x = 488,930.37

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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.