Home / 791,216.31-1,187,011.17-258,735.27

Finding the Fourth Proportional to 791,216.31, 1,187,011.17 and 258,735.27

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Solution

The fourth proportional to 791,216.31, 1,187,011.17 and 258,735.27 is: 388,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,216.31 : 1,187,011.17 = 258,735.27 : x
  2. Step 2: Convert to fraction form
    791,216.31/1,187,011.17 = 258,735.27/x
  3. Step 3: Cross multiply
    791,216.31x = 1,187,011.17 × 258,735.27
  4. Step 4: Simplify right side
    791,216.31x = 307,121,655,562.97
  5. Step 5: Solve for x
    x = 307,121,655,562.97/791,216.31
  6. Step 6: Final answer
    x = 388,163.96

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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.