Home / 776,812.56-1,165,134.06-208,249.44

Finding the Fourth Proportional to 776,812.56, 1,165,134.06 and 208,249.44

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Solution

The fourth proportional to 776,812.56, 1,165,134.06 and 208,249.44 is: 312,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,812.56 : 1,165,134.06 = 208,249.44 : x
  2. Step 2: Convert to fraction form
    776,812.56/1,165,134.06 = 208,249.44/x
  3. Step 3: Cross multiply
    776,812.56x = 1,165,134.06 × 208,249.44
  4. Step 4: Simplify right side
    776,812.56x = 242,638,515,519.93
  5. Step 5: Solve for x
    x = 242,638,515,519.93/776,812.56
  6. Step 6: Final answer
    x = 312,351.43

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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.