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Finding the Fourth Proportional to 636,648.00, 878,590.85 and 350,175.60

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Solution

The fourth proportional to 636,648.00, 878,590.85 and 350,175.60 is: 483,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,648.00 : 878,590.85 = 350,175.60 : x
  2. Step 2: Convert to fraction form
    636,648.00/878,590.85 = 350,175.60/x
  3. Step 3: Cross multiply
    636,648.00x = 878,590.85 × 350,175.60
  4. Step 4: Simplify right side
    636,648.00x = 307,661,078,928.70
  5. Step 5: Solve for x
    x = 307,661,078,928.70/636,648.00
  6. Step 6: Final answer
    x = 483,251.47

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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.