Home / 855,858.40-1,283,301.60-323,396.80

Finding the Fourth Proportional to 855,858.40, 1,283,301.60 and 323,396.80

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Solution

The fourth proportional to 855,858.40, 1,283,301.60 and 323,396.80 is: 484,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,858.40 : 1,283,301.60 = 323,396.80 : x
  2. Step 2: Convert to fraction form
    855,858.40/1,283,301.60 = 323,396.80/x
  3. Step 3: Cross multiply
    855,858.40x = 1,283,301.60 × 323,396.80
  4. Step 4: Simplify right side
    855,858.40x = 415,015,630,874.88
  5. Step 5: Solve for x
    x = 415,015,630,874.88/855,858.40
  6. Step 6: Final answer
    x = 484,911.56

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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.