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Finding the Fourth Proportional to 662,662.30, 994,350.21 and 263,306.69

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Solution

The fourth proportional to 662,662.30, 994,350.21 and 263,306.69 is: 395,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,662.30 : 994,350.21 = 263,306.69 : x
  2. Step 2: Convert to fraction form
    662,662.30/994,350.21 = 263,306.69/x
  3. Step 3: Cross multiply
    662,662.30x = 994,350.21 × 263,306.69
  4. Step 4: Simplify right side
    662,662.30x = 261,819,062,495.91
  5. Step 5: Solve for x
    x = 261,819,062,495.91/662,662.30
  6. Step 6: Final answer
    x = 395,101.79

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1.5x scale

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.