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Finding the Fourth Proportional to 499,804.38, 689,747.27 and 273,449.88

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Solution

The fourth proportional to 499,804.38, 689,747.27 and 273,449.88 is: 377,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,804.38 : 689,747.27 = 273,449.88 : x
  2. Step 2: Convert to fraction form
    499,804.38/689,747.27 = 273,449.88/x
  3. Step 3: Cross multiply
    499,804.38x = 689,747.27 × 273,449.88
  4. Step 4: Simplify right side
    499,804.38x = 188,611,306,844.58
  5. Step 5: Solve for x
    x = 188,611,306,844.58/499,804.38
  6. Step 6: Final answer
    x = 377,370.26

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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.