Home / 851,588.66-1,275,936.96-513,919.82

Finding the Fourth Proportional to 851,588.66, 1,275,936.96 and 513,919.82

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Solution

The fourth proportional to 851,588.66, 1,275,936.96 and 513,919.82 is: 770,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,588.66 : 1,275,936.96 = 513,919.82 : x
  2. Step 2: Convert to fraction form
    851,588.66/1,275,936.96 = 513,919.82/x
  3. Step 3: Cross multiply
    851,588.66x = 1,275,936.96 × 513,919.82
  4. Step 4: Simplify right side
    851,588.66x = 655,729,292,814.55
  5. Step 5: Solve for x
    x = 655,729,292,814.55/851,588.66
  6. Step 6: Final answer
    x = 770,007.07

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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.