Home / 711,180.56-1,066,936.08-205,721.12

Finding the Fourth Proportional to 711,180.56, 1,066,936.08 and 205,721.12

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Solution

The fourth proportional to 711,180.56, 1,066,936.08 and 205,721.12 is: 308,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,180.56 : 1,066,936.08 = 205,721.12 : x
  2. Step 2: Convert to fraction form
    711,180.56/1,066,936.08 = 205,721.12/x
  3. Step 3: Cross multiply
    711,180.56x = 1,066,936.08 × 205,721.12
  4. Step 4: Simplify right side
    711,180.56x = 219,491,285,346.01
  5. Step 5: Solve for x
    x = 219,491,285,346.01/711,180.56
  6. Step 6: Final answer
    x = 308,629.48

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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.