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Finding the Fourth Proportional to 636,802.59, 878,794.83 and 364,865.03

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Solution

The fourth proportional to 636,802.59, 878,794.83 and 364,865.03 is: 503,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,802.59 : 878,794.83 = 364,865.03 : x
  2. Step 2: Convert to fraction form
    636,802.59/878,794.83 = 364,865.03/x
  3. Step 3: Cross multiply
    636,802.59x = 878,794.83 × 364,865.03
  4. Step 4: Simplify right side
    636,802.59x = 320,641,497,617.82
  5. Step 5: Solve for x
    x = 320,641,497,617.82/636,802.59
  6. Step 6: Final answer
    x = 503,517.89

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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.