Home / 864,884.90-1,297,451.41-265,896.36

Finding the Fourth Proportional to 864,884.90, 1,297,451.41 and 265,896.36

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Solution

The fourth proportional to 864,884.90, 1,297,451.41 and 265,896.36 is: 398,882.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,884.90 : 1,297,451.41 = 265,896.36 : x
  2. Step 2: Convert to fraction form
    864,884.90/1,297,451.41 = 265,896.36/x
  3. Step 3: Cross multiply
    864,884.90x = 1,297,451.41 × 265,896.36
  4. Step 4: Simplify right side
    864,884.90x = 344,987,607,195.87
  5. Step 5: Solve for x
    x = 344,987,607,195.87/864,884.90
  6. Step 6: Final answer
    x = 398,882.68

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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.