Home / 865,007.10-1,297,121.85-332,351.10

Finding the Fourth Proportional to 865,007.10, 1,297,121.85 and 332,351.10

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Solution

The fourth proportional to 865,007.10, 1,297,121.85 and 332,351.10 is: 498,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,007.10 : 1,297,121.85 = 332,351.10 : x
  2. Step 2: Convert to fraction form
    865,007.10/1,297,121.85 = 332,351.10/x
  3. Step 3: Cross multiply
    865,007.10x = 1,297,121.85 × 332,351.10
  4. Step 4: Simplify right side
    865,007.10x = 431,099,873,681.54
  5. Step 5: Solve for x
    x = 431,099,873,681.54/865,007.10
  6. Step 6: Final answer
    x = 498,377.27

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1.5x scale

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.