Home / 987,764.86-1,481,902.96-304,636.64

Finding the Fourth Proportional to 987,764.86, 1,481,902.96 and 304,636.64

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Solution

The fourth proportional to 987,764.86, 1,481,902.96 and 304,636.64 is: 457,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,764.86 : 1,481,902.96 = 304,636.64 : x
  2. Step 2: Convert to fraction form
    987,764.86/1,481,902.96 = 304,636.64/x
  3. Step 3: Cross multiply
    987,764.86x = 1,481,902.96 × 304,636.64
  4. Step 4: Simplify right side
    987,764.86x = 451,441,938,540.45
  5. Step 5: Solve for x
    x = 451,441,938,540.45/987,764.86
  6. Step 6: Final answer
    x = 457,033.81

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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.