Home / 986,286.74-1,479,444.69-276,269.90

Finding the Fourth Proportional to 986,286.74, 1,479,444.69 and 276,269.90

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Solution

The fourth proportional to 986,286.74, 1,479,444.69 and 276,269.90 is: 414,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,286.74 : 1,479,444.69 = 276,269.90 : x
  2. Step 2: Convert to fraction form
    986,286.74/1,479,444.69 = 276,269.90/x
  3. Step 3: Cross multiply
    986,286.74x = 1,479,444.69 × 276,269.90
  4. Step 4: Simplify right side
    986,286.74x = 408,726,032,172.55
  5. Step 5: Solve for x
    x = 408,726,032,172.55/986,286.74
  6. Step 6: Final answer
    x = 414,408.93

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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.