Home / 764,067.33-1,146,034.71-258,617.07

Finding the Fourth Proportional to 764,067.33, 1,146,034.71 and 258,617.07

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Solution

The fourth proportional to 764,067.33, 1,146,034.71 and 258,617.07 is: 387,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,067.33 : 1,146,034.71 = 258,617.07 : x
  2. Step 2: Convert to fraction form
    764,067.33/1,146,034.71 = 258,617.07/x
  3. Step 3: Cross multiply
    764,067.33x = 1,146,034.71 × 258,617.07
  4. Step 4: Simplify right side
    764,067.33x = 296,384,138,818.50
  5. Step 5: Solve for x
    x = 296,384,138,818.50/764,067.33
  6. Step 6: Final answer
    x = 387,903.17

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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.