Home / 667,172.19-1,000,608.24-306,997.56

Finding the Fourth Proportional to 667,172.19, 1,000,608.24 and 306,997.56

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Solution

The fourth proportional to 667,172.19, 1,000,608.24 and 306,997.56 is: 460,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,172.19 : 1,000,608.24 = 306,997.56 : x
  2. Step 2: Convert to fraction form
    667,172.19/1,000,608.24 = 306,997.56/x
  3. Step 3: Cross multiply
    667,172.19x = 1,000,608.24 × 306,997.56
  4. Step 4: Simplify right side
    667,172.19x = 307,184,288,195.89
  5. Step 5: Solve for x
    x = 307,184,288,195.89/667,172.19
  6. Step 6: Final answer
    x = 460,427.30

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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.