Home / 711,164.56-1,066,912.08-205,705.12

Finding the Fourth Proportional to 711,164.56, 1,066,912.08 and 205,705.12

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Solution

The fourth proportional to 711,164.56, 1,066,912.08 and 205,705.12 is: 308,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,164.56 : 1,066,912.08 = 205,705.12 : x
  2. Step 2: Convert to fraction form
    711,164.56/1,066,912.08 = 205,705.12/x
  3. Step 3: Cross multiply
    711,164.56x = 1,066,912.08 × 205,705.12
  4. Step 4: Simplify right side
    711,164.56x = 219,469,277,445.85
  5. Step 5: Solve for x
    x = 219,469,277,445.85/711,164.56
  6. Step 6: Final answer
    x = 308,605.48

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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.