Home / 677,798.82-1,016,076.12-234,255.78

Finding the Fourth Proportional to 677,798.82, 1,016,076.12 and 234,255.78

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Solution

The fourth proportional to 677,798.82, 1,016,076.12 and 234,255.78 is: 351,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,798.82 : 1,016,076.12 = 234,255.78 : x
  2. Step 2: Convert to fraction form
    677,798.82/1,016,076.12 = 234,255.78/x
  3. Step 3: Cross multiply
    677,798.82x = 1,016,076.12 × 234,255.78
  4. Step 4: Simplify right side
    677,798.82x = 238,021,704,029.97
  5. Step 5: Solve for x
    x = 238,021,704,029.97/677,798.82
  6. Step 6: Final answer
    x = 351,168.66

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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.