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Finding the Fourth Proportional to 496,099.11, 743,907.93 and 290,989.79

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Solution

The fourth proportional to 496,099.11, 743,907.93 and 290,989.79 is: 436,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,099.11 : 743,907.93 = 290,989.79 : x
  2. Step 2: Convert to fraction form
    496,099.11/743,907.93 = 290,989.79/x
  3. Step 3: Cross multiply
    496,099.11x = 743,907.93 × 290,989.79
  4. Step 4: Simplify right side
    496,099.11x = 216,469,612,330.04
  5. Step 5: Solve for x
    x = 216,469,612,330.04/496,099.11
  6. Step 6: Final answer
    x = 436,343.48

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1.5x scale

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.