Home / 658,676.42-908,961.60-372,190.34

Finding the Fourth Proportional to 658,676.42, 908,961.60 and 372,190.34

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Solution

The fourth proportional to 658,676.42, 908,961.60 and 372,190.34 is: 513,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,676.42 : 908,961.60 = 372,190.34 : x
  2. Step 2: Convert to fraction form
    658,676.42/908,961.60 = 372,190.34/x
  3. Step 3: Cross multiply
    658,676.42x = 908,961.60 × 372,190.34
  4. Step 4: Simplify right side
    658,676.42x = 338,306,726,950.94
  5. Step 5: Solve for x
    x = 338,306,726,950.94/658,676.42
  6. Step 6: Final answer
    x = 513,615.97

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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.