Home / 874,175.20-1,311,472.78-334,422.65

Finding the Fourth Proportional to 874,175.20, 1,311,472.78 and 334,422.65

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Solution

The fourth proportional to 874,175.20, 1,311,472.78 and 334,422.65 is: 501,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,175.20 : 1,311,472.78 = 334,422.65 : x
  2. Step 2: Convert to fraction form
    874,175.20/1,311,472.78 = 334,422.65/x
  3. Step 3: Cross multiply
    874,175.20x = 1,311,472.78 × 334,422.65
  4. Step 4: Simplify right side
    874,175.20x = 438,586,204,933.09
  5. Step 5: Solve for x
    x = 438,586,204,933.09/874,175.20
  6. Step 6: Final answer
    x = 501,714.31

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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.