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Finding the Fourth Proportional to 454,231.84, 681,950.64 and 388,096.96

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Solution

The fourth proportional to 454,231.84, 681,950.64 and 388,096.96 is: 582,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,231.84 : 681,950.64 = 388,096.96 : x
  2. Step 2: Convert to fraction form
    454,231.84/681,950.64 = 388,096.96/x
  3. Step 3: Cross multiply
    454,231.84x = 681,950.64 × 388,096.96
  4. Step 4: Simplify right side
    454,231.84x = 264,662,970,254.05
  5. Step 5: Solve for x
    x = 264,662,970,254.05/454,231.84
  6. Step 6: Final answer
    x = 582,660.54

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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.