Home / 834,453.95-1,251,778.66-265,635.75

Finding the Fourth Proportional to 834,453.95, 1,251,778.66 and 265,635.75

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Solution

The fourth proportional to 834,453.95, 1,251,778.66 and 265,635.75 is: 398,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,453.95 : 1,251,778.66 = 265,635.75 : x
  2. Step 2: Convert to fraction form
    834,453.95/1,251,778.66 = 265,635.75/x
  3. Step 3: Cross multiply
    834,453.95x = 1,251,778.66 × 265,635.75
  4. Step 4: Simplify right side
    834,453.95x = 332,517,167,213.18
  5. Step 5: Solve for x
    x = 332,517,167,213.18/834,453.95
  6. Step 6: Final answer
    x = 398,484.74

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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.