Home / 764,122.17-1,054,512.30-419,951.82

Finding the Fourth Proportional to 764,122.17, 1,054,512.30 and 419,951.82

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Solution

The fourth proportional to 764,122.17, 1,054,512.30 and 419,951.82 is: 579,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,122.17 : 1,054,512.30 = 419,951.82 : x
  2. Step 2: Convert to fraction form
    764,122.17/1,054,512.30 = 419,951.82/x
  3. Step 3: Cross multiply
    764,122.17x = 1,054,512.30 × 419,951.82
  4. Step 4: Simplify right side
    764,122.17x = 442,844,365,126.63
  5. Step 5: Solve for x
    x = 442,844,365,126.63/764,122.17
  6. Step 6: Final answer
    x = 579,546.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.