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Finding the Fourth Proportional to 499,618.08, 689,489.42 and 273,263.56

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Solution

The fourth proportional to 499,618.08, 689,489.42 and 273,263.56 is: 377,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,618.08 : 689,489.42 = 273,263.56 : x
  2. Step 2: Convert to fraction form
    499,618.08/689,489.42 = 273,263.56/x
  3. Step 3: Cross multiply
    499,618.08x = 689,489.42 × 273,263.56
  4. Step 4: Simplify right side
    499,618.08x = 188,412,333,491.54
  5. Step 5: Solve for x
    x = 188,412,333,491.54/499,618.08
  6. Step 6: Final answer
    x = 377,112.72

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