Home / 679,978.08-1,019,974.23-200,214.96

Finding the Fourth Proportional to 679,978.08, 1,019,974.23 and 200,214.96

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Solution

The fourth proportional to 679,978.08, 1,019,974.23 and 200,214.96 is: 300,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,978.08 : 1,019,974.23 = 200,214.96 : x
  2. Step 2: Convert to fraction form
    679,978.08/1,019,974.23 = 200,214.96/x
  3. Step 3: Cross multiply
    679,978.08x = 1,019,974.23 × 200,214.96
  4. Step 4: Simplify right side
    679,978.08x = 204,214,099,660.48
  5. Step 5: Solve for x
    x = 204,214,099,660.48/679,978.08
  6. Step 6: Final answer
    x = 300,324.53

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1.5x scale

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.