Home / 738,469.38-1,107,712.86-205,958.01

Finding the Fourth Proportional to 738,469.38, 1,107,712.86 and 205,958.01

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Solution

The fourth proportional to 738,469.38, 1,107,712.86 and 205,958.01 is: 308,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,469.38 : 1,107,712.86 = 205,958.01 : x
  2. Step 2: Convert to fraction form
    738,469.38/1,107,712.86 = 205,958.01/x
  3. Step 3: Cross multiply
    738,469.38x = 1,107,712.86 × 205,958.01
  4. Step 4: Simplify right side
    738,469.38x = 228,142,336,297.01
  5. Step 5: Solve for x
    x = 228,142,336,297.01/738,469.38
  6. Step 6: Final answer
    x = 308,939.47

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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.