Home / 873,926.72-1,206,015.72-491,954.48

Finding the Fourth Proportional to 873,926.72, 1,206,015.72 and 491,954.48

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Solution

The fourth proportional to 873,926.72, 1,206,015.72 and 491,954.48 is: 678,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,926.72 : 1,206,015.72 = 491,954.48 : x
  2. Step 2: Convert to fraction form
    873,926.72/1,206,015.72 = 491,954.48/x
  3. Step 3: Cross multiply
    873,926.72x = 1,206,015.72 × 491,954.48
  4. Step 4: Simplify right side
    873,926.72x = 593,304,836,404.43
  5. Step 5: Solve for x
    x = 593,304,836,404.43/873,926.72
  6. Step 6: Final answer
    x = 678,895.41

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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.