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Finding the Fourth Proportional to 664,323.52, 996,002.52 and 264,844.48

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Solution

The fourth proportional to 664,323.52, 996,002.52 and 264,844.48 is: 397,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,323.52 : 996,002.52 = 264,844.48 : x
  2. Step 2: Convert to fraction form
    664,323.52/996,002.52 = 264,844.48/x
  3. Step 3: Cross multiply
    664,323.52x = 996,002.52 × 264,844.48
  4. Step 4: Simplify right side
    664,323.52x = 263,785,769,488.09
  5. Step 5: Solve for x
    x = 263,785,769,488.09/664,323.52
  6. Step 6: Final answer
    x = 397,074.26

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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.