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Finding the Fourth Proportional to 470,787.90, 649,679.64 and 255,933.38

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Solution

The fourth proportional to 470,787.90, 649,679.64 and 255,933.38 is: 353,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,787.90 : 649,679.64 = 255,933.38 : x
  2. Step 2: Convert to fraction form
    470,787.90/649,679.64 = 255,933.38/x
  3. Step 3: Cross multiply
    470,787.90x = 649,679.64 × 255,933.38
  4. Step 4: Simplify right side
    470,787.90x = 166,274,704,902.72
  5. Step 5: Solve for x
    x = 166,274,704,902.72/470,787.90
  6. Step 6: Final answer
    x = 353,183.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.