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Finding the Fourth Proportional to 488,725.77, 674,441.53 and 297,739.02

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Solution

The fourth proportional to 488,725.77, 674,441.53 and 297,739.02 is: 410,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,725.77 : 674,441.53 = 297,739.02 : x
  2. Step 2: Convert to fraction form
    488,725.77/674,441.53 = 297,739.02/x
  3. Step 3: Cross multiply
    488,725.77x = 674,441.53 × 297,739.02
  4. Step 4: Simplify right side
    488,725.77x = 200,807,560,189.50
  5. Step 5: Solve for x
    x = 200,807,560,189.50/488,725.77
  6. Step 6: Final answer
    x = 410,879.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.