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Finding the Fourth Proportional to 488,308.12, 733,584.72 and 344,544.82

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Solution

The fourth proportional to 488,308.12, 733,584.72 and 344,544.82 is: 517,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,308.12 : 733,584.72 = 344,544.82 : x
  2. Step 2: Convert to fraction form
    488,308.12/733,584.72 = 344,544.82/x
  3. Step 3: Cross multiply
    488,308.12x = 733,584.72 × 344,544.82
  4. Step 4: Simplify right side
    488,308.12x = 252,752,815,307.15
  5. Step 5: Solve for x
    x = 252,752,815,307.15/488,308.12
  6. Step 6: Final answer
    x = 517,609.28

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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.