Home / 679,732.99-1,019,533.26-206,422.45

Finding the Fourth Proportional to 679,732.99, 1,019,533.26 and 206,422.45

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Solution

The fourth proportional to 679,732.99, 1,019,533.26 and 206,422.45 is: 309,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,732.99 : 1,019,533.26 = 206,422.45 : x
  2. Step 2: Convert to fraction form
    679,732.99/1,019,533.26 = 206,422.45/x
  3. Step 3: Cross multiply
    679,732.99x = 1,019,533.26 × 206,422.45
  4. Step 4: Simplify right side
    679,732.99x = 210,454,553,385.69
  5. Step 5: Solve for x
    x = 210,454,553,385.69/679,732.99
  6. Step 6: Final answer
    x = 309,613.56

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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.