Home / 711,418.37-1,067,048.94-178,939.60

Finding the Fourth Proportional to 711,418.37, 1,067,048.94 and 178,939.60

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Solution

The fourth proportional to 711,418.37, 1,067,048.94 and 178,939.60 is: 268,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,418.37 : 1,067,048.94 = 178,939.60 : x
  2. Step 2: Convert to fraction form
    711,418.37/1,067,048.94 = 178,939.60/x
  3. Step 3: Cross multiply
    711,418.37x = 1,067,048.94 × 178,939.60
  4. Step 4: Simplify right side
    711,418.37x = 190,937,310,504.02
  5. Step 5: Solve for x
    x = 190,937,310,504.02/711,418.37
  6. Step 6: Final answer
    x = 268,389.63

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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.