Home / 678,042.51-1,016,657.80-228,753.43

Finding the Fourth Proportional to 678,042.51, 1,016,657.80 and 228,753.43

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Solution

The fourth proportional to 678,042.51, 1,016,657.80 and 228,753.43 is: 342,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,042.51 : 1,016,657.80 = 228,753.43 : x
  2. Step 2: Convert to fraction form
    678,042.51/1,016,657.80 = 228,753.43/x
  3. Step 3: Cross multiply
    678,042.51x = 1,016,657.80 × 228,753.43
  4. Step 4: Simplify right side
    678,042.51x = 232,563,955,772.73
  5. Step 5: Solve for x
    x = 232,563,955,772.73/678,042.51
  6. Step 6: Final answer
    x = 342,993.18

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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.