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Finding the Fourth Proportional to 636,103.59, 877,824.87 and 349,653.03

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Solution

The fourth proportional to 636,103.59, 877,824.87 and 349,653.03 is: 482,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,103.59 : 877,824.87 = 349,653.03 : x
  2. Step 2: Convert to fraction form
    636,103.59/877,824.87 = 349,653.03/x
  3. Step 3: Cross multiply
    636,103.59x = 877,824.87 × 349,653.03
  4. Step 4: Simplify right side
    636,103.59x = 306,934,125,604.86
  5. Step 5: Solve for x
    x = 306,934,125,604.86/636,103.59
  6. Step 6: Final answer
    x = 482,522.23

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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.