Home / 808,057.26-1,115,126.78-445,494.42

Finding the Fourth Proportional to 808,057.26, 1,115,126.78 and 445,494.42

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Solution

The fourth proportional to 808,057.26, 1,115,126.78 and 445,494.42 is: 614,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,057.26 : 1,115,126.78 = 445,494.42 : x
  2. Step 2: Convert to fraction form
    808,057.26/1,115,126.78 = 445,494.42/x
  3. Step 3: Cross multiply
    808,057.26x = 1,115,126.78 × 445,494.42
  4. Step 4: Simplify right side
    808,057.26x = 496,782,755,855.10
  5. Step 5: Solve for x
    x = 496,782,755,855.10/808,057.26
  6. Step 6: Final answer
    x = 614,786.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.