Home / 874,359.33-1,311,585.80-275,367.13

Finding the Fourth Proportional to 874,359.33, 1,311,585.80 and 275,367.13

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Solution

The fourth proportional to 874,359.33, 1,311,585.80 and 275,367.13 is: 413,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,359.33 : 1,311,585.80 = 275,367.13 : x
  2. Step 2: Convert to fraction form
    874,359.33/1,311,585.80 = 275,367.13/x
  3. Step 3: Cross multiply
    874,359.33x = 1,311,585.80 × 275,367.13
  4. Step 4: Simplify right side
    874,359.33x = 361,167,617,494.75
  5. Step 5: Solve for x
    x = 361,167,617,494.75/874,359.33
  6. Step 6: Final answer
    x = 413,065.44

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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.