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Finding the Fourth Proportional to 662,851.80, 994,407.30 and 263,424.60

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Solution

The fourth proportional to 662,851.80, 994,407.30 and 263,424.60 is: 395,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,851.80 : 994,407.30 = 263,424.60 : x
  2. Step 2: Convert to fraction form
    662,851.80/994,407.30 = 263,424.60/x
  3. Step 3: Cross multiply
    662,851.80x = 994,407.30 × 263,424.60
  4. Step 4: Simplify right side
    662,851.80x = 261,951,345,239.58
  5. Step 5: Solve for x
    x = 261,951,345,239.58/662,851.80
  6. Step 6: Final answer
    x = 395,188.40

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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.