Home / 764,072.73-1,145,396.43-258,282

Finding the Fourth Proportional to 764,072.73, 1,145,396.43 and 258,282

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Solution

The fourth proportional to 764,072.73, 1,145,396.43 and 258,282 is: 387,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,072.73 : 1,145,396.43 = 258,282 : x
  2. Step 2: Convert to fraction form
    764,072.73/1,145,396.43 = 258,282/x
  3. Step 3: Cross multiply
    764,072.73x = 1,145,396.43 × 258,282
  4. Step 4: Simplify right side
    764,072.73x = 295,835,280,733.26
  5. Step 5: Solve for x
    x = 295,835,280,733.26/764,072.73
  6. Step 6: Final answer
    x = 387,182.10

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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.