Home / 859,832.78-1,289,747.62-228,746.58

Finding the Fourth Proportional to 859,832.78, 1,289,747.62 and 228,746.58

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Solution

The fourth proportional to 859,832.78, 1,289,747.62 and 228,746.58 is: 343,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,832.78 : 1,289,747.62 = 228,746.58 : x
  2. Step 2: Convert to fraction form
    859,832.78/1,289,747.62 = 228,746.58/x
  3. Step 3: Cross multiply
    859,832.78x = 1,289,747.62 × 228,746.58
  4. Step 4: Simplify right side
    859,832.78x = 295,025,357,138.14
  5. Step 5: Solve for x
    x = 295,025,357,138.14/859,832.78
  6. Step 6: Final answer
    x = 343,119.46

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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.