Home / 679,552.64-1,019,367.84-206,253.44

Finding the Fourth Proportional to 679,552.64, 1,019,367.84 and 206,253.44

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Solution

The fourth proportional to 679,552.64, 1,019,367.84 and 206,253.44 is: 309,391.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,552.64 : 1,019,367.84 = 206,253.44 : x
  2. Step 2: Convert to fraction form
    679,552.64/1,019,367.84 = 206,253.44/x
  3. Step 3: Cross multiply
    679,552.64x = 1,019,367.84 × 206,253.44
  4. Step 4: Simplify right side
    679,552.64x = 210,248,123,625.37
  5. Step 5: Solve for x
    x = 210,248,123,625.37/679,552.64
  6. Step 6: Final answer
    x = 309,391.96

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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.