Home / 751,274.96-1,036,757.44-407,120.44

Finding the Fourth Proportional to 751,274.96, 1,036,757.44 and 407,120.44

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Solution

The fourth proportional to 751,274.96, 1,036,757.44 and 407,120.44 is: 561,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,274.96 : 1,036,757.44 = 407,120.44 : x
  2. Step 2: Convert to fraction form
    751,274.96/1,036,757.44 = 407,120.44/x
  3. Step 3: Cross multiply
    751,274.96x = 1,036,757.44 × 407,120.44
  4. Step 4: Simplify right side
    751,274.96x = 422,085,145,146.07
  5. Step 5: Solve for x
    x = 422,085,145,146.07/751,274.96
  6. Step 6: Final answer
    x = 561,825.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.