Home / 499,716.30-689,606.34-270,273.81

Finding the Fourth Proportional to 499,716.30, 689,606.34 and 270,273.81

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Solution

The fourth proportional to 499,716.30, 689,606.34 and 270,273.81 is: 372,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,716.30 : 689,606.34 = 270,273.81 : x
  2. Step 2: Convert to fraction form
    499,716.30/689,606.34 = 270,273.81/x
  3. Step 3: Cross multiply
    499,716.30x = 689,606.34 × 270,273.81
  4. Step 4: Simplify right side
    499,716.30x = 186,382,532,911.96
  5. Step 5: Solve for x
    x = 186,382,532,911.96/499,716.30
  6. Step 6: Final answer
    x = 372,976.69

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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.