Home / 627,442.47-940,747.64-228,035.79

Finding the Fourth Proportional to 627,442.47, 940,747.64 and 228,035.79

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Solution

The fourth proportional to 627,442.47, 940,747.64 and 228,035.79 is: 341,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,442.47 : 940,747.64 = 228,035.79 : x
  2. Step 2: Convert to fraction form
    627,442.47/940,747.64 = 228,035.79/x
  3. Step 3: Cross multiply
    627,442.47x = 940,747.64 × 228,035.79
  4. Step 4: Simplify right side
    627,442.47x = 214,524,130,137.86
  5. Step 5: Solve for x
    x = 214,524,130,137.86/627,442.47
  6. Step 6: Final answer
    x = 341,902.47

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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.