Home / 679,533.32-1,019,306.19-206,218.73

Finding the Fourth Proportional to 679,533.32, 1,019,306.19 and 206,218.73

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Solution

The fourth proportional to 679,533.32, 1,019,306.19 and 206,218.73 is: 309,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,533.32 : 1,019,306.19 = 206,218.73 : x
  2. Step 2: Convert to fraction form
    679,533.32/1,019,306.19 = 206,218.73/x
  3. Step 3: Cross multiply
    679,533.32x = 1,019,306.19 × 206,218.73
  4. Step 4: Simplify right side
    679,533.32x = 210,200,022,886.41
  5. Step 5: Solve for x
    x = 210,200,022,886.41/679,533.32
  6. Step 6: Final answer
    x = 309,329.97

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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.