Home / 678,164.52-1,017,387-222,790.26

Finding the Fourth Proportional to 678,164.52, 1,017,387 and 222,790.26

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Solution

The fourth proportional to 678,164.52, 1,017,387 and 222,790.26 is: 334,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,164.52 : 1,017,387 = 222,790.26 : x
  2. Step 2: Convert to fraction form
    678,164.52/1,017,387 = 222,790.26/x
  3. Step 3: Cross multiply
    678,164.52x = 1,017,387 × 222,790.26
  4. Step 4: Simplify right side
    678,164.52x = 226,663,914,250.62
  5. Step 5: Solve for x
    x = 226,663,914,250.62/678,164.52
  6. Step 6: Final answer
    x = 334,231.46

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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.