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Finding the Fourth Proportional to 643,520.76, 965,150.10 and 244,024.44

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Solution

The fourth proportional to 643,520.76, 965,150.10 and 244,024.44 is: 365,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,520.76 : 965,150.10 = 244,024.44 : x
  2. Step 2: Convert to fraction form
    643,520.76/965,150.10 = 244,024.44/x
  3. Step 3: Cross multiply
    643,520.76x = 965,150.10 × 244,024.44
  4. Step 4: Simplify right side
    643,520.76x = 235,520,212,668.44
  5. Step 5: Solve for x
    x = 235,520,212,668.44/643,520.76
  6. Step 6: Final answer
    x = 365,986.97

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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.