Home / 986,672.55-1,479,885.81-276,755.95

Finding the Fourth Proportional to 986,672.55, 1,479,885.81 and 276,755.95

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Solution

The fourth proportional to 986,672.55, 1,479,885.81 and 276,755.95 is: 415,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,672.55 : 1,479,885.81 = 276,755.95 : x
  2. Step 2: Convert to fraction form
    986,672.55/1,479,885.81 = 276,755.95/x
  3. Step 3: Cross multiply
    986,672.55x = 1,479,885.81 × 276,755.95
  4. Step 4: Simplify right side
    986,672.55x = 409,567,204,050.09
  5. Step 5: Solve for x
    x = 409,567,204,050.09/986,672.55
  6. Step 6: Final answer
    x = 415,099.42

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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.