Home / 671,391.38-1,006,976.34-215,959.82

Finding the Fourth Proportional to 671,391.38, 1,006,976.34 and 215,959.82

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Solution

The fourth proportional to 671,391.38, 1,006,976.34 and 215,959.82 is: 323,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,391.38 : 1,006,976.34 = 215,959.82 : x
  2. Step 2: Convert to fraction form
    671,391.38/1,006,976.34 = 215,959.82/x
  3. Step 3: Cross multiply
    671,391.38x = 1,006,976.34 × 215,959.82
  4. Step 4: Simplify right side
    671,391.38x = 217,466,429,130.66
  5. Step 5: Solve for x
    x = 217,466,429,130.66/671,391.38
  6. Step 6: Final answer
    x = 323,904.11

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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.