Home / 764,135.52-1,054,504.24-419,994.68

Finding the Fourth Proportional to 764,135.52, 1,054,504.24 and 419,994.68

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Solution

The fourth proportional to 764,135.52, 1,054,504.24 and 419,994.68 is: 579,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,135.52 : 1,054,504.24 = 419,994.68 : x
  2. Step 2: Convert to fraction form
    764,135.52/1,054,504.24 = 419,994.68/x
  3. Step 3: Cross multiply
    764,135.52x = 1,054,504.24 × 419,994.68
  4. Step 4: Simplify right side
    764,135.52x = 442,886,170,837.44
  5. Step 5: Solve for x
    x = 442,886,170,837.44/764,135.52
  6. Step 6: Final answer
    x = 579,591.13

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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.