Home / 787,850.12-1,181,676.54-219,273.86

Finding the Fourth Proportional to 787,850.12, 1,181,676.54 and 219,273.86

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Solution

The fourth proportional to 787,850.12, 1,181,676.54 and 219,273.86 is: 328,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,850.12 : 1,181,676.54 = 219,273.86 : x
  2. Step 2: Convert to fraction form
    787,850.12/1,181,676.54 = 219,273.86/x
  3. Step 3: Cross multiply
    787,850.12x = 1,181,676.54 × 219,273.86
  4. Step 4: Simplify right side
    787,850.12x = 259,110,776,197.24
  5. Step 5: Solve for x
    x = 259,110,776,197.24/787,850.12
  6. Step 6: Final answer
    x = 328,883.34

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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.