Home / 776,835.33-1,165,169.97-208,273.47

Finding the Fourth Proportional to 776,835.33, 1,165,169.97 and 208,273.47

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Solution

The fourth proportional to 776,835.33, 1,165,169.97 and 208,273.47 is: 312,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,835.33 : 1,165,169.97 = 208,273.47 : x
  2. Step 2: Convert to fraction form
    776,835.33/1,165,169.97 = 208,273.47/x
  3. Step 3: Cross multiply
    776,835.33x = 1,165,169.97 × 208,273.47
  4. Step 4: Simplify right side
    776,835.33x = 242,673,992,791.70
  5. Step 5: Solve for x
    x = 242,673,992,791.70/776,835.33
  6. Step 6: Final answer
    x = 312,387.95

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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.