Home / 666,608.25-1,000,016.66-217,224.81

Finding the Fourth Proportional to 666,608.25, 1,000,016.66 and 217,224.81

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Solution

The fourth proportional to 666,608.25, 1,000,016.66 and 217,224.81 is: 325,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,608.25 : 1,000,016.66 = 217,224.81 : x
  2. Step 2: Convert to fraction form
    666,608.25/1,000,016.66 = 217,224.81/x
  3. Step 3: Cross multiply
    666,608.25x = 1,000,016.66 × 217,224.81
  4. Step 4: Simplify right side
    666,608.25x = 217,228,427,879.21
  5. Step 5: Solve for x
    x = 217,228,427,879.21/666,608.25
  6. Step 6: Final answer
    x = 325,871.20

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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.