Home / 679,906.24-1,019,689.80-200,038.56

Finding the Fourth Proportional to 679,906.24, 1,019,689.80 and 200,038.56

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Solution

The fourth proportional to 679,906.24, 1,019,689.80 and 200,038.56 is: 300,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,906.24 : 1,019,689.80 = 200,038.56 : x
  2. Step 2: Convert to fraction form
    679,906.24/1,019,689.80 = 200,038.56/x
  3. Step 3: Cross multiply
    679,906.24x = 1,019,689.80 × 200,038.56
  4. Step 4: Simplify right side
    679,906.24x = 203,977,279,238.69
  5. Step 5: Solve for x
    x = 203,977,279,238.69/679,906.24
  6. Step 6: Final answer
    x = 300,007.95

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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.