Home / 834,491.72-1,251,970.86-273,919.88

Finding the Fourth Proportional to 834,491.72, 1,251,970.86 and 273,919.88

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Solution

The fourth proportional to 834,491.72, 1,251,970.86 and 273,919.88 is: 410,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,491.72 : 1,251,970.86 = 273,919.88 : x
  2. Step 2: Convert to fraction form
    834,491.72/1,251,970.86 = 273,919.88/x
  3. Step 3: Cross multiply
    834,491.72x = 1,251,970.86 × 273,919.88
  4. Step 4: Simplify right side
    834,491.72x = 342,939,707,734.70
  5. Step 5: Solve for x
    x = 342,939,707,734.70/834,491.72
  6. Step 6: Final answer
    x = 410,956.39

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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.