Home / 679,889.18-1,019,722.91-200,004.75

Finding the Fourth Proportional to 679,889.18, 1,019,722.91 and 200,004.75

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Solution

The fourth proportional to 679,889.18, 1,019,722.91 and 200,004.75 is: 299,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,889.18 : 1,019,722.91 = 200,004.75 : x
  2. Step 2: Convert to fraction form
    679,889.18/1,019,722.91 = 200,004.75/x
  3. Step 3: Cross multiply
    679,889.18x = 1,019,722.91 × 200,004.75
  4. Step 4: Simplify right side
    679,889.18x = 203,949,426,183.83
  5. Step 5: Solve for x
    x = 203,949,426,183.83/679,889.18
  6. Step 6: Final answer
    x = 299,974.51

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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.