Home / 499,623.08-689,496.32-273,268.56

Finding the Fourth Proportional to 499,623.08, 689,496.32 and 273,268.56

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Solution

The fourth proportional to 499,623.08, 689,496.32 and 273,268.56 is: 377,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,623.08 : 689,496.32 = 273,268.56 : x
  2. Step 2: Convert to fraction form
    499,623.08/689,496.32 = 273,268.56/x
  3. Step 3: Cross multiply
    499,623.08x = 689,496.32 × 273,268.56
  4. Step 4: Simplify right side
    499,623.08x = 188,417,666,491.70
  5. Step 5: Solve for x
    x = 188,417,666,491.70/499,623.08
  6. Step 6: Final answer
    x = 377,119.62

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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.