Home / 676,889.88-1,015,072.38-361,174.56

Finding the Fourth Proportional to 676,889.88, 1,015,072.38 and 361,174.56

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Solution

The fourth proportional to 676,889.88, 1,015,072.38 and 361,174.56 is: 541,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,889.88 : 1,015,072.38 = 361,174.56 : x
  2. Step 2: Convert to fraction form
    676,889.88/1,015,072.38 = 361,174.56/x
  3. Step 3: Cross multiply
    676,889.88x = 1,015,072.38 × 361,174.56
  4. Step 4: Simplify right side
    676,889.88x = 366,618,320,214.65
  5. Step 5: Solve for x
    x = 366,618,320,214.65/676,889.88
  6. Step 6: Final answer
    x = 541,621.81

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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.