Home / 691,757.40-954,480.06-419,968.38

Finding the Fourth Proportional to 691,757.40, 954,480.06 and 419,968.38

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Solution

The fourth proportional to 691,757.40, 954,480.06 and 419,968.38 is: 579,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,757.40 : 954,480.06 = 419,968.38 : x
  2. Step 2: Convert to fraction form
    691,757.40/954,480.06 = 419,968.38/x
  3. Step 3: Cross multiply
    691,757.40x = 954,480.06 × 419,968.38
  4. Step 4: Simplify right side
    691,757.40x = 400,851,444,540.50
  5. Step 5: Solve for x
    x = 400,851,444,540.50/691,757.40
  6. Step 6: Final answer
    x = 579,468.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.