Home / 889,576.43-1,227,617.78-481,683.11

Finding the Fourth Proportional to 889,576.43, 1,227,617.78 and 481,683.11

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Solution

The fourth proportional to 889,576.43, 1,227,617.78 and 481,683.11 is: 664,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,576.43 : 1,227,617.78 = 481,683.11 : x
  2. Step 2: Convert to fraction form
    889,576.43/1,227,617.78 = 481,683.11/x
  3. Step 3: Cross multiply
    889,576.43x = 1,227,617.78 × 481,683.11
  4. Step 4: Simplify right side
    889,576.43x = 591,322,741,615.19
  5. Step 5: Solve for x
    x = 591,322,741,615.19/889,576.43
  6. Step 6: Final answer
    x = 664,723.93

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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.