Home / 789,853.49-1,089,997.26-427,277.64

Finding the Fourth Proportional to 789,853.49, 1,089,997.26 and 427,277.64

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Solution

The fourth proportional to 789,853.49, 1,089,997.26 and 427,277.64 is: 589,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,853.49 : 1,089,997.26 = 427,277.64 : x
  2. Step 2: Convert to fraction form
    789,853.49/1,089,997.26 = 427,277.64/x
  3. Step 3: Cross multiply
    789,853.49x = 1,089,997.26 × 427,277.64
  4. Step 4: Simplify right side
    789,853.49x = 465,731,459,884.00
  5. Step 5: Solve for x
    x = 465,731,459,884.00/789,853.49
  6. Step 6: Final answer
    x = 589,642.84

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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.