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Finding the Fourth Proportional to 663,077.80, 994,746.30 and 263,650.60

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Solution

The fourth proportional to 663,077.80, 994,746.30 and 263,650.60 is: 395,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,077.80 : 994,746.30 = 263,650.60 : x
  2. Step 2: Convert to fraction form
    663,077.80/994,746.30 = 263,650.60/x
  3. Step 3: Cross multiply
    663,077.80x = 994,746.30 × 263,650.60
  4. Step 4: Simplify right side
    663,077.80x = 262,265,458,842.78
  5. Step 5: Solve for x
    x = 262,265,458,842.78/663,077.80
  6. Step 6: Final answer
    x = 395,527.43

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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.