Home / 678,906.73-1,018,359.94-173,468.66

Finding the Fourth Proportional to 678,906.73, 1,018,359.94 and 173,468.66

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Solution

The fourth proportional to 678,906.73, 1,018,359.94 and 173,468.66 is: 260,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,906.73 : 1,018,359.94 = 173,468.66 : x
  2. Step 2: Convert to fraction form
    678,906.73/1,018,359.94 = 173,468.66/x
  3. Step 3: Cross multiply
    678,906.73x = 1,018,359.94 × 173,468.66
  4. Step 4: Simplify right side
    678,906.73x = 176,653,528,664.01
  5. Step 5: Solve for x
    x = 176,653,528,664.01/678,906.73
  6. Step 6: Final answer
    x = 260,202.94

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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.