Home / 646,982.91-892,844.84-371,385.27

Finding the Fourth Proportional to 646,982.91, 892,844.84 and 371,385.27

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Solution

The fourth proportional to 646,982.91, 892,844.84 and 371,385.27 is: 512,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,982.91 : 892,844.84 = 371,385.27 : x
  2. Step 2: Convert to fraction form
    646,982.91/892,844.84 = 371,385.27/x
  3. Step 3: Cross multiply
    646,982.91x = 892,844.84 × 371,385.27
  4. Step 4: Simplify right side
    646,982.91x = 331,589,420,114.58
  5. Step 5: Solve for x
    x = 331,589,420,114.58/646,982.91
  6. Step 6: Final answer
    x = 512,516.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.