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Finding the Fourth Proportional to 521,882.62, 720,198.02 and 295,571.86

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Solution

The fourth proportional to 521,882.62, 720,198.02 and 295,571.86 is: 407,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,882.62 : 720,198.02 = 295,571.86 : x
  2. Step 2: Convert to fraction form
    521,882.62/720,198.02 = 295,571.86/x
  3. Step 3: Cross multiply
    521,882.62x = 720,198.02 × 295,571.86
  4. Step 4: Simplify right side
    521,882.62x = 212,870,268,339.72
  5. Step 5: Solve for x
    x = 212,870,268,339.72/521,882.62
  6. Step 6: Final answer
    x = 407,889.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.