Home / 627,071.20-940,768.80-272,003.92

Finding the Fourth Proportional to 627,071.20, 940,768.80 and 272,003.92

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Solution

The fourth proportional to 627,071.20, 940,768.80 and 272,003.92 is: 408,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,071.20 : 940,768.80 = 272,003.92 : x
  2. Step 2: Convert to fraction form
    627,071.20/940,768.80 = 272,003.92/x
  3. Step 3: Cross multiply
    627,071.20x = 940,768.80 × 272,003.92
  4. Step 4: Simplify right side
    627,071.20x = 255,892,801,413.70
  5. Step 5: Solve for x
    x = 255,892,801,413.70/627,071.20
  6. Step 6: Final answer
    x = 408,076.15

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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.