Home / 987,727.86-1,481,580.99-239,773.86

Finding the Fourth Proportional to 987,727.86, 1,481,580.99 and 239,773.86

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Solution

The fourth proportional to 987,727.86, 1,481,580.99 and 239,773.86 is: 359,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,727.86 : 1,481,580.99 = 239,773.86 : x
  2. Step 2: Convert to fraction form
    987,727.86/1,481,580.99 = 239,773.86/x
  3. Step 3: Cross multiply
    987,727.86x = 1,481,580.99 × 239,773.86
  4. Step 4: Simplify right side
    987,727.86x = 355,244,392,874.92
  5. Step 5: Solve for x
    x = 355,244,392,874.92/987,727.86
  6. Step 6: Final answer
    x = 359,658.17

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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.