Home / 791,635.49-1,187,003.37-311,603.12

Finding the Fourth Proportional to 791,635.49, 1,187,003.37 and 311,603.12

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Solution

The fourth proportional to 791,635.49, 1,187,003.37 and 311,603.12 is: 467,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,635.49 : 1,187,003.37 = 311,603.12 : x
  2. Step 2: Convert to fraction form
    791,635.49/1,187,003.37 = 311,603.12/x
  3. Step 3: Cross multiply
    791,635.49x = 1,187,003.37 × 311,603.12
  4. Step 4: Simplify right side
    791,635.49x = 369,873,953,227.27
  5. Step 5: Solve for x
    x = 369,873,953,227.27/791,635.49
  6. Step 6: Final answer
    x = 467,227.60

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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.