Home / 499,427.93-689,213.21-273,073.43

Finding the Fourth Proportional to 499,427.93, 689,213.21 and 273,073.43

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Solution

The fourth proportional to 499,427.93, 689,213.21 and 273,073.43 is: 376,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,427.93 : 689,213.21 = 273,073.43 : x
  2. Step 2: Convert to fraction form
    499,427.93/689,213.21 = 273,073.43/x
  3. Step 3: Cross multiply
    499,427.93x = 689,213.21 × 273,073.43
  4. Step 4: Simplify right side
    499,427.93x = 188,205,815,613.68
  5. Step 5: Solve for x
    x = 188,205,815,613.68/499,427.93
  6. Step 6: Final answer
    x = 376,842.79

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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.