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Finding the Fourth Proportional to 619,757.82, 929,942.94 and 367,028.10

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Solution

The fourth proportional to 619,757.82, 929,942.94 and 367,028.10 is: 550,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,757.82 : 929,942.94 = 367,028.10 : x
  2. Step 2: Convert to fraction form
    619,757.82/929,942.94 = 367,028.10/x
  3. Step 3: Cross multiply
    619,757.82x = 929,942.94 × 367,028.10
  4. Step 4: Simplify right side
    619,757.82x = 341,315,190,376.61
  5. Step 5: Solve for x
    x = 341,315,190,376.61/619,757.82
  6. Step 6: Final answer
    x = 550,723.49

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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.