Home / 876,833.92-1,315,310.24-308,145.88

Finding the Fourth Proportional to 876,833.92, 1,315,310.24 and 308,145.88

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Solution

The fourth proportional to 876,833.92, 1,315,310.24 and 308,145.88 is: 462,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,833.92 : 1,315,310.24 = 308,145.88 : x
  2. Step 2: Convert to fraction form
    876,833.92/1,315,310.24 = 308,145.88/x
  3. Step 3: Cross multiply
    876,833.92x = 1,315,310.24 × 308,145.88
  4. Step 4: Simplify right side
    876,833.92x = 405,307,431,377.81
  5. Step 5: Solve for x
    x = 405,307,431,377.81/876,833.92
  6. Step 6: Final answer
    x = 462,239.68

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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.