Home / 678,607.48-1,017,964.62-179,971.48

Finding the Fourth Proportional to 678,607.48, 1,017,964.62 and 179,971.48

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Solution

The fourth proportional to 678,607.48, 1,017,964.62 and 179,971.48 is: 269,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,607.48 : 1,017,964.62 = 179,971.48 : x
  2. Step 2: Convert to fraction form
    678,607.48/1,017,964.62 = 179,971.48/x
  3. Step 3: Cross multiply
    678,607.48x = 1,017,964.62 × 179,971.48
  4. Step 4: Simplify right side
    678,607.48x = 183,204,599,249.04
  5. Step 5: Solve for x
    x = 183,204,599,249.04/678,607.48
  6. Step 6: Final answer
    x = 269,971.38

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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.