Home / 685,196.67-1,027,893.46-211,918.94

Finding the Fourth Proportional to 685,196.67, 1,027,893.46 and 211,918.94

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Solution

The fourth proportional to 685,196.67, 1,027,893.46 and 211,918.94 is: 317,908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,196.67 : 1,027,893.46 = 211,918.94 : x
  2. Step 2: Convert to fraction form
    685,196.67/1,027,893.46 = 211,918.94/x
  3. Step 3: Cross multiply
    685,196.67x = 1,027,893.46 × 211,918.94
  4. Step 4: Simplify right side
    685,196.67x = 217,830,092,476.13
  5. Step 5: Solve for x
    x = 217,830,092,476.13/685,196.67
  6. Step 6: Final answer
    x = 317,908.86

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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.