Home / 646,489.38-969,734.82-197,186.46

Finding the Fourth Proportional to 646,489.38, 969,734.82 and 197,186.46

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Solution

The fourth proportional to 646,489.38, 969,734.82 and 197,186.46 is: 295,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,489.38 : 969,734.82 = 197,186.46 : x
  2. Step 2: Convert to fraction form
    646,489.38/969,734.82 = 197,186.46/x
  3. Step 3: Cross multiply
    646,489.38x = 969,734.82 × 197,186.46
  4. Step 4: Simplify right side
    646,489.38x = 191,218,576,294.54
  5. Step 5: Solve for x
    x = 191,218,576,294.54/646,489.38
  6. Step 6: Final answer
    x = 295,779.92

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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.