Home / 791,251.02-1,187,022.33-258,800.37

Finding the Fourth Proportional to 791,251.02, 1,187,022.33 and 258,800.37

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Solution

The fourth proportional to 791,251.02, 1,187,022.33 and 258,800.37 is: 388,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,251.02 : 1,187,022.33 = 258,800.37 : x
  2. Step 2: Convert to fraction form
    791,251.02/1,187,022.33 = 258,800.37/x
  3. Step 3: Cross multiply
    791,251.02x = 1,187,022.33 × 258,800.37
  4. Step 4: Simplify right side
    791,251.02x = 307,201,818,202.26
  5. Step 5: Solve for x
    x = 307,201,818,202.26/791,251.02
  6. Step 6: Final answer
    x = 388,248.24

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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.