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Finding the Fourth Proportional to 663,279.20, 994,918.80 and 242,856.80

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Solution

The fourth proportional to 663,279.20, 994,918.80 and 242,856.80 is: 364,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,279.20 : 994,918.80 = 242,856.80 : x
  2. Step 2: Convert to fraction form
    663,279.20/994,918.80 = 242,856.80/x
  3. Step 3: Cross multiply
    663,279.20x = 994,918.80 × 242,856.80
  4. Step 4: Simplify right side
    663,279.20x = 241,622,796,027.84
  5. Step 5: Solve for x
    x = 241,622,796,027.84/663,279.20
  6. Step 6: Final answer
    x = 364,285.20

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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.