Home / 892,411.32-1,339,148.90-323,836.79

Finding the Fourth Proportional to 892,411.32, 1,339,148.90 and 323,836.79

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Solution

The fourth proportional to 892,411.32, 1,339,148.90 and 323,836.79 is: 485,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,411.32 : 1,339,148.90 = 323,836.79 : x
  2. Step 2: Convert to fraction form
    892,411.32/1,339,148.90 = 323,836.79/x
  3. Step 3: Cross multiply
    892,411.32x = 1,339,148.90 × 323,836.79
  4. Step 4: Simplify right side
    892,411.32x = 433,665,672,793.10
  5. Step 5: Solve for x
    x = 433,665,672,793.10/892,411.32
  6. Step 6: Final answer
    x = 485,948.20

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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.