Home / 694,883.96-1,040,968.44-478,704.54

Finding the Fourth Proportional to 694,883.96, 1,040,968.44 and 478,704.54

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Solution

The fourth proportional to 694,883.96, 1,040,968.44 and 478,704.54 is: 717,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,883.96 : 1,040,968.44 = 478,704.54 : x
  2. Step 2: Convert to fraction form
    694,883.96/1,040,968.44 = 478,704.54/x
  3. Step 3: Cross multiply
    694,883.96x = 1,040,968.44 × 478,704.54
  4. Step 4: Simplify right side
    694,883.96x = 498,316,322,128.35
  5. Step 5: Solve for x
    x = 498,316,322,128.35/694,883.96
  6. Step 6: Final answer
    x = 717,121.64

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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.