Home / 892,419.82-1,339,161.64-323,845.28

Finding the Fourth Proportional to 892,419.82, 1,339,161.64 and 323,845.28

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Solution

The fourth proportional to 892,419.82, 1,339,161.64 and 323,845.28 is: 485,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,419.82 : 1,339,161.64 = 323,845.28 : x
  2. Step 2: Convert to fraction form
    892,419.82/1,339,161.64 = 323,845.28/x
  3. Step 3: Cross multiply
    892,419.82x = 1,339,161.64 × 323,845.28
  4. Step 4: Simplify right side
    892,419.82x = 433,681,176,271.06
  5. Step 5: Solve for x
    x = 433,681,176,271.06/892,419.82
  6. Step 6: Final answer
    x = 485,960.94

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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.