Home / 764,134.70-1,054,529.62-419,964.41

Finding the Fourth Proportional to 764,134.70, 1,054,529.62 and 419,964.41

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Solution

The fourth proportional to 764,134.70, 1,054,529.62 and 419,964.41 is: 579,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,134.70 : 1,054,529.62 = 419,964.41 : x
  2. Step 2: Convert to fraction form
    764,134.70/1,054,529.62 = 419,964.41/x
  3. Step 3: Cross multiply
    764,134.70x = 1,054,529.62 × 419,964.41
  4. Step 4: Simplify right side
    764,134.70x = 442,864,911,277.24
  5. Step 5: Solve for x
    x = 442,864,911,277.24/764,134.70
  6. Step 6: Final answer
    x = 579,563.94

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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.