Home / 678,387.97-1,017,365.89-222,873.45

Finding the Fourth Proportional to 678,387.97, 1,017,365.89 and 222,873.45

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Solution

The fourth proportional to 678,387.97, 1,017,365.89 and 222,873.45 is: 334,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,387.97 : 1,017,365.89 = 222,873.45 : x
  2. Step 2: Convert to fraction form
    678,387.97/1,017,365.89 = 222,873.45/x
  3. Step 3: Cross multiply
    678,387.97x = 1,017,365.89 × 222,873.45
  4. Step 4: Simplify right side
    678,387.97x = 226,743,845,816.62
  5. Step 5: Solve for x
    x = 226,743,845,816.62/678,387.97
  6. Step 6: Final answer
    x = 334,239.19

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1.5x scale

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.