Home / 680,231.72-1,019,670.53-324,830.25

Finding the Fourth Proportional to 680,231.72, 1,019,670.53 and 324,830.25

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Solution

The fourth proportional to 680,231.72, 1,019,670.53 and 324,830.25 is: 486,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,231.72 : 1,019,670.53 = 324,830.25 : x
  2. Step 2: Convert to fraction form
    680,231.72/1,019,670.53 = 324,830.25/x
  3. Step 3: Cross multiply
    680,231.72x = 1,019,670.53 × 324,830.25
  4. Step 4: Simplify right side
    680,231.72x = 331,219,831,553.38
  5. Step 5: Solve for x
    x = 331,219,831,553.38/680,231.72
  6. Step 6: Final answer
    x = 486,922.06

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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.