Home / 892,428.18-1,339,174.17-323,853.68

Finding the Fourth Proportional to 892,428.18, 1,339,174.17 and 323,853.68

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Solution

The fourth proportional to 892,428.18, 1,339,174.17 and 323,853.68 is: 485,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,428.18 : 1,339,174.17 = 323,853.68 : x
  2. Step 2: Convert to fraction form
    892,428.18/1,339,174.17 = 323,853.68/x
  3. Step 3: Cross multiply
    892,428.18x = 1,339,174.17 × 323,853.68
  4. Step 4: Simplify right side
    892,428.18x = 433,696,476,419.58
  5. Step 5: Solve for x
    x = 433,696,476,419.58/892,428.18
  6. Step 6: Final answer
    x = 485,973.53

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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.