Home / 689,301.20-1,033,528.44-268,086.08

Finding the Fourth Proportional to 689,301.20, 1,033,528.44 and 268,086.08

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Solution

The fourth proportional to 689,301.20, 1,033,528.44 and 268,086.08 is: 401,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,301.20 : 1,033,528.44 = 268,086.08 : x
  2. Step 2: Convert to fraction form
    689,301.20/1,033,528.44 = 268,086.08/x
  3. Step 3: Cross multiply
    689,301.20x = 1,033,528.44 × 268,086.08
  4. Step 4: Simplify right side
    689,301.20x = 277,074,588,048.12
  5. Step 5: Solve for x
    x = 277,074,588,048.12/689,301.20
  6. Step 6: Final answer
    x = 401,964.46

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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.