Home / 874,453.29-1,311,555.35-275,398.86

Finding the Fourth Proportional to 874,453.29, 1,311,555.35 and 275,398.86

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Solution

The fourth proportional to 874,453.29, 1,311,555.35 and 275,398.86 is: 413,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,453.29 : 1,311,555.35 = 275,398.86 : x
  2. Step 2: Convert to fraction form
    874,453.29/1,311,555.35 = 275,398.86/x
  3. Step 3: Cross multiply
    874,453.29x = 1,311,555.35 × 275,398.86
  4. Step 4: Simplify right side
    874,453.29x = 361,200,846,839.91
  5. Step 5: Solve for x
    x = 361,200,846,839.91/874,453.29
  6. Step 6: Final answer
    x = 413,059.05

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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.