Home / 654,717.42-982,117.62-205,456.02

Finding the Fourth Proportional to 654,717.42, 982,117.62 and 205,456.02

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Solution

The fourth proportional to 654,717.42, 982,117.62 and 205,456.02 is: 308,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,717.42 : 982,117.62 = 205,456.02 : x
  2. Step 2: Convert to fraction form
    654,717.42/982,117.62 = 205,456.02/x
  3. Step 3: Cross multiply
    654,717.42x = 982,117.62 × 205,456.02
  4. Step 4: Simplify right side
    654,717.42x = 201,781,977,377.07
  5. Step 5: Solve for x
    x = 201,781,977,377.07/654,717.42
  6. Step 6: Final answer
    x = 308,197.05

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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.