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Finding the Fourth Proportional to 511,324.60, 766,986.90 and 262,492.60

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Solution

The fourth proportional to 511,324.60, 766,986.90 and 262,492.60 is: 393,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,324.60 : 766,986.90 = 262,492.60 : x
  2. Step 2: Convert to fraction form
    511,324.60/766,986.90 = 262,492.60/x
  3. Step 3: Cross multiply
    511,324.60x = 766,986.90 × 262,492.60
  4. Step 4: Simplify right side
    511,324.60x = 201,328,385,546.94
  5. Step 5: Solve for x
    x = 201,328,385,546.94/511,324.60
  6. Step 6: Final answer
    x = 393,738.90

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