Home / 654,717.30-982,117.46-205,455.89

Finding the Fourth Proportional to 654,717.30, 982,117.46 and 205,455.89

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Solution

The fourth proportional to 654,717.30, 982,117.46 and 205,455.89 is: 308,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,717.30 : 982,117.46 = 205,455.89 : x
  2. Step 2: Convert to fraction form
    654,717.30/982,117.46 = 205,455.89/x
  3. Step 3: Cross multiply
    654,717.30x = 982,117.46 × 205,455.89
  4. Step 4: Simplify right side
    654,717.30x = 201,781,815,801.56
  5. Step 5: Solve for x
    x = 201,781,815,801.56/654,717.30
  6. Step 6: Final answer
    x = 308,196.86

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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.