Home / 628,394.72-867,200.24-341,930.52

Finding the Fourth Proportional to 628,394.72, 867,200.24 and 341,930.52

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Solution

The fourth proportional to 628,394.72, 867,200.24 and 341,930.52 is: 471,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,394.72 : 867,200.24 = 341,930.52 : x
  2. Step 2: Convert to fraction form
    628,394.72/867,200.24 = 341,930.52/x
  3. Step 3: Cross multiply
    628,394.72x = 867,200.24 × 341,930.52
  4. Step 4: Simplify right side
    628,394.72x = 296,522,229,007.33
  5. Step 5: Solve for x
    x = 296,522,229,007.33/628,394.72
  6. Step 6: Final answer
    x = 471,872.57

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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.