Home / 891,449.88-1,337,371.52-330,484.38

Finding the Fourth Proportional to 891,449.88, 1,337,371.52 and 330,484.38

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Solution

The fourth proportional to 891,449.88, 1,337,371.52 and 330,484.38 is: 495,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,449.88 : 1,337,371.52 = 330,484.38 : x
  2. Step 2: Convert to fraction form
    891,449.88/1,337,371.52 = 330,484.38/x
  3. Step 3: Cross multiply
    891,449.88x = 1,337,371.52 × 330,484.38
  4. Step 4: Simplify right side
    891,449.88x = 441,980,395,964.44
  5. Step 5: Solve for x
    x = 441,980,395,964.44/891,449.88
  6. Step 6: Final answer
    x = 495,799.49

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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.