Home / 656,101.25-982,727.74-318,432.26

Finding the Fourth Proportional to 656,101.25, 982,727.74 and 318,432.26

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Solution

The fourth proportional to 656,101.25, 982,727.74 and 318,432.26 is: 476,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,101.25 : 982,727.74 = 318,432.26 : x
  2. Step 2: Convert to fraction form
    656,101.25/982,727.74 = 318,432.26/x
  3. Step 3: Cross multiply
    656,101.25x = 982,727.74 × 318,432.26
  4. Step 4: Simplify right side
    656,101.25x = 312,932,218,067.75
  5. Step 5: Solve for x
    x = 312,932,218,067.75/656,101.25
  6. Step 6: Final answer
    x = 476,957.21

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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.