Home / 454,639.05-681,072.84-276,704.73

Finding the Fourth Proportional to 454,639.05, 681,072.84 and 276,704.73

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Solution

The fourth proportional to 454,639.05, 681,072.84 and 276,704.73 is: 414,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,639.05 : 681,072.84 = 276,704.73 : x
  2. Step 2: Convert to fraction form
    454,639.05/681,072.84 = 276,704.73/x
  3. Step 3: Cross multiply
    454,639.05x = 681,072.84 × 276,704.73
  4. Step 4: Simplify right side
    454,639.05x = 188,456,076,302.53
  5. Step 5: Solve for x
    x = 188,456,076,302.53/454,639.05
  6. Step 6: Final answer
    x = 414,518.01

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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.