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Finding the Fourth Proportional to 2,432.30, 3,648.09 and 788.99

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Solution

The fourth proportional to 2,432.30, 3,648.09 and 788.99 is: 1,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.30 : 3,648.09 = 788.99 : x
  2. Step 2: Convert to fraction form
    2,432.30/3,648.09 = 788.99/x
  3. Step 3: Cross multiply
    2,432.30x = 3,648.09 × 788.99
  4. Step 4: Simplify right side
    2,432.30x = 2,878,306.53
  5. Step 5: Solve for x
    x = 2,878,306.53/2,432.30
  6. Step 6: Final answer
    x = 1,183.37

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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.