Home / 987,286.66-1,362,456.57-534,576.58

Finding the Fourth Proportional to 987,286.66, 1,362,456.57 and 534,576.58

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Solution

The fourth proportional to 987,286.66, 1,362,456.57 and 534,576.58 is: 737,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,286.66 : 1,362,456.57 = 534,576.58 : x
  2. Step 2: Convert to fraction form
    987,286.66/1,362,456.57 = 534,576.58/x
  3. Step 3: Cross multiply
    987,286.66x = 1,362,456.57 × 534,576.58
  4. Step 4: Simplify right side
    987,286.66x = 728,337,373,589.13
  5. Step 5: Solve for x
    x = 728,337,373,589.13/987,286.66
  6. Step 6: Final answer
    x = 737,716.21

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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.