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Finding the Fourth Proportional to 496,759.86, 744,553.08 and 212,367.24

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Solution

The fourth proportional to 496,759.86, 744,553.08 and 212,367.24 is: 318,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,759.86 : 744,553.08 = 212,367.24 : x
  2. Step 2: Convert to fraction form
    496,759.86/744,553.08 = 212,367.24/x
  3. Step 3: Cross multiply
    496,759.86x = 744,553.08 × 212,367.24
  4. Step 4: Simplify right side
    496,759.86x = 158,118,682,633.10
  5. Step 5: Solve for x
    x = 158,118,682,633.10/496,759.86
  6. Step 6: Final answer
    x = 318,300.04

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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.