Home / 874,884.62-1,312,202.31-275,767.91

Finding the Fourth Proportional to 874,884.62, 1,312,202.31 and 275,767.91

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Solution

The fourth proportional to 874,884.62, 1,312,202.31 and 275,767.91 is: 413,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,884.62 : 1,312,202.31 = 275,767.91 : x
  2. Step 2: Convert to fraction form
    874,884.62/1,312,202.31 = 275,767.91/x
  3. Step 3: Cross multiply
    874,884.62x = 1,312,202.31 × 275,767.91
  4. Step 4: Simplify right side
    874,884.62x = 361,863,288,525.87
  5. Step 5: Solve for x
    x = 361,863,288,525.87/874,884.62
  6. Step 6: Final answer
    x = 413,612.58

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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.