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Finding the Fourth Proportional to 636,141.52, 877,857.48 and 349,662.16

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Solution

The fourth proportional to 636,141.52, 877,857.48 and 349,662.16 is: 482,523.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,141.52 : 877,857.48 = 349,662.16 : x
  2. Step 2: Convert to fraction form
    636,141.52/877,857.48 = 349,662.16/x
  3. Step 3: Cross multiply
    636,141.52x = 877,857.48 × 349,662.16
  4. Step 4: Simplify right side
    636,141.52x = 306,953,542,628.96
  5. Step 5: Solve for x
    x = 306,953,542,628.96/636,141.52
  6. Step 6: Final answer
    x = 482,523.99

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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.