Home / 678,185.82-935,913.24-372,292.56

Finding the Fourth Proportional to 678,185.82, 935,913.24 and 372,292.56

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Solution

The fourth proportional to 678,185.82, 935,913.24 and 372,292.56 is: 513,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,185.82 : 935,913.24 = 372,292.56 : x
  2. Step 2: Convert to fraction form
    678,185.82/935,913.24 = 372,292.56/x
  3. Step 3: Cross multiply
    678,185.82x = 935,913.24 × 372,292.56
  4. Step 4: Simplify right side
    678,185.82x = 348,433,536,057.49
  5. Step 5: Solve for x
    x = 348,433,536,057.49/678,185.82
  6. Step 6: Final answer
    x = 513,772.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.