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Finding the Fourth Proportional to 663,351.40, 994,808.40 and 242,572.60

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Solution

The fourth proportional to 663,351.40, 994,808.40 and 242,572.60 is: 363,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,351.40 : 994,808.40 = 242,572.60 : x
  2. Step 2: Convert to fraction form
    663,351.40/994,808.40 = 242,572.60/x
  3. Step 3: Cross multiply
    663,351.40x = 994,808.40 × 242,572.60
  4. Step 4: Simplify right side
    663,351.40x = 241,313,260,089.84
  5. Step 5: Solve for x
    x = 241,313,260,089.84/663,351.40
  6. Step 6: Final answer
    x = 363,778.93

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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.