Home / 764,013.62-1,145,471.52-358,977.44

Finding the Fourth Proportional to 764,013.62, 1,145,471.52 and 358,977.44

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Solution

The fourth proportional to 764,013.62, 1,145,471.52 and 358,977.44 is: 538,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,013.62 : 1,145,471.52 = 358,977.44 : x
  2. Step 2: Convert to fraction form
    764,013.62/1,145,471.52 = 358,977.44/x
  3. Step 3: Cross multiply
    764,013.62x = 1,145,471.52 × 358,977.44
  4. Step 4: Simplify right side
    764,013.62x = 411,198,433,842.51
  5. Step 5: Solve for x
    x = 411,198,433,842.51/764,013.62
  6. Step 6: Final answer
    x = 538,208.25

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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.