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Finding the Fourth Proportional to 663,083.70, 994,625.55 and 242,661.30

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Solution

The fourth proportional to 663,083.70, 994,625.55 and 242,661.30 is: 363,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,083.70 : 994,625.55 = 242,661.30 : x
  2. Step 2: Convert to fraction form
    663,083.70/994,625.55 = 242,661.30/x
  3. Step 3: Cross multiply
    663,083.70x = 994,625.55 × 242,661.30
  4. Step 4: Simplify right side
    663,083.70x = 241,357,128,976.22
  5. Step 5: Solve for x
    x = 241,357,128,976.22/663,083.70
  6. Step 6: Final answer
    x = 363,991.95

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.