Home / 764,950.44-1,055,599.04-420,764.54

Finding the Fourth Proportional to 764,950.44, 1,055,599.04 and 420,764.54

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Solution

The fourth proportional to 764,950.44, 1,055,599.04 and 420,764.54 is: 580,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,950.44 : 1,055,599.04 = 420,764.54 : x
  2. Step 2: Convert to fraction form
    764,950.44/1,055,599.04 = 420,764.54/x
  3. Step 3: Cross multiply
    764,950.44x = 1,055,599.04 × 420,764.54
  4. Step 4: Simplify right side
    764,950.44x = 444,158,644,490.04
  5. Step 5: Solve for x
    x = 444,158,644,490.04/764,950.44
  6. Step 6: Final answer
    x = 580,637.15

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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.