Home / 834,489.72-1,251,967.86-273,917.88

Finding the Fourth Proportional to 834,489.72, 1,251,967.86 and 273,917.88

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Solution

The fourth proportional to 834,489.72, 1,251,967.86 and 273,917.88 is: 410,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,489.72 : 1,251,967.86 = 273,917.88 : x
  2. Step 2: Convert to fraction form
    834,489.72/1,251,967.86 = 273,917.88/x
  3. Step 3: Cross multiply
    834,489.72x = 1,251,967.86 × 273,917.88
  4. Step 4: Simplify right side
    834,489.72x = 342,936,382,039.34
  5. Step 5: Solve for x
    x = 342,936,382,039.34/834,489.72
  6. Step 6: Final answer
    x = 410,953.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.