Home / 864,773.92-1,297,958.24-438,608.80

Finding the Fourth Proportional to 864,773.92, 1,297,958.24 and 438,608.80

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Solution

The fourth proportional to 864,773.92, 1,297,958.24 and 438,608.80 is: 658,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,773.92 : 1,297,958.24 = 438,608.80 : x
  2. Step 2: Convert to fraction form
    864,773.92/1,297,958.24 = 438,608.80/x
  3. Step 3: Cross multiply
    864,773.92x = 1,297,958.24 × 438,608.80
  4. Step 4: Simplify right side
    864,773.92x = 569,295,906,096.51
  5. Step 5: Solve for x
    x = 569,295,906,096.51/864,773.92
  6. Step 6: Final answer
    x = 658,317.62

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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.