Home / 892,420.00-1,339,161.86-323,845.43

Finding the Fourth Proportional to 892,420.00, 1,339,161.86 and 323,845.43

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Solution

The fourth proportional to 892,420.00, 1,339,161.86 and 323,845.43 is: 485,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,420.00 : 1,339,161.86 = 323,845.43 : x
  2. Step 2: Convert to fraction form
    892,420.00/1,339,161.86 = 323,845.43/x
  3. Step 3: Cross multiply
    892,420.00x = 1,339,161.86 × 323,845.43
  4. Step 4: Simplify right side
    892,420.00x = 433,681,442,505.10
  5. Step 5: Solve for x
    x = 433,681,442,505.10/892,420.00
  6. Step 6: Final answer
    x = 485,961.14

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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.