Home / 876,721.66-1,315,092.04-308,118.96

Finding the Fourth Proportional to 876,721.66, 1,315,092.04 and 308,118.96

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Solution

The fourth proportional to 876,721.66, 1,315,092.04 and 308,118.96 is: 462,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,721.66 : 1,315,092.04 = 308,118.96 : x
  2. Step 2: Convert to fraction form
    876,721.66/1,315,092.04 = 308,118.96/x
  3. Step 3: Cross multiply
    876,721.66x = 1,315,092.04 × 308,118.96
  4. Step 4: Simplify right side
    876,721.66x = 405,204,790,898.78
  5. Step 5: Solve for x
    x = 405,204,790,898.78/876,721.66
  6. Step 6: Final answer
    x = 462,181.80

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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.