Home / 513,435.42-769,635.54-214,081.29

Finding the Fourth Proportional to 513,435.42, 769,635.54 and 214,081.29

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Solution

The fourth proportional to 513,435.42, 769,635.54 and 214,081.29 is: 320,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,435.42 : 769,635.54 = 214,081.29 : x
  2. Step 2: Convert to fraction form
    513,435.42/769,635.54 = 214,081.29/x
  3. Step 3: Cross multiply
    513,435.42x = 769,635.54 × 214,081.29
  4. Step 4: Simplify right side
    513,435.42x = 164,764,569,233.05
  5. Step 5: Solve for x
    x = 164,764,569,233.05/513,435.42
  6. Step 6: Final answer
    x = 320,906.12

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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.