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Finding the Fourth Proportional to 662,663.80, 994,352.46 and 263,308.20

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Solution

The fourth proportional to 662,663.80, 994,352.46 and 263,308.20 is: 395,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,663.80 : 994,352.46 = 263,308.20 : x
  2. Step 2: Convert to fraction form
    662,663.80/994,352.46 = 263,308.20/x
  3. Step 3: Cross multiply
    662,663.80x = 994,352.46 × 263,308.20
  4. Step 4: Simplify right side
    662,663.80x = 261,821,156,408.17
  5. Step 5: Solve for x
    x = 261,821,156,408.17/662,663.80
  6. Step 6: Final answer
    x = 395,104.06

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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.