Home / 892,574.25-1,338,858.65-323,954.60

Finding the Fourth Proportional to 892,574.25, 1,338,858.65 and 323,954.60

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Solution

The fourth proportional to 892,574.25, 1,338,858.65 and 323,954.60 is: 485,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,574.25 : 1,338,858.65 = 323,954.60 : x
  2. Step 2: Convert to fraction form
    892,574.25/1,338,858.65 = 323,954.60/x
  3. Step 3: Cross multiply
    892,574.25x = 1,338,858.65 × 323,954.60
  4. Step 4: Simplify right side
    892,574.25x = 433,729,410,103.22
  5. Step 5: Solve for x
    x = 433,729,410,103.22/892,574.25
  6. Step 6: Final answer
    x = 485,930.90

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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.