Home / 764,582.05-1,147,372.03-285,193.34

Finding the Fourth Proportional to 764,582.05, 1,147,372.03 and 285,193.34

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Solution

The fourth proportional to 764,582.05, 1,147,372.03 and 285,193.34 is: 427,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,582.05 : 1,147,372.03 = 285,193.34 : x
  2. Step 2: Convert to fraction form
    764,582.05/1,147,372.03 = 285,193.34/x
  3. Step 3: Cross multiply
    764,582.05x = 1,147,372.03 × 285,193.34
  4. Step 4: Simplify right side
    764,582.05x = 327,222,861,182.66
  5. Step 5: Solve for x
    x = 327,222,861,182.66/764,582.05
  6. Step 6: Final answer
    x = 427,976.12

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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.