Home / 666,940.62-1,000,570.10-217,662.33

Finding the Fourth Proportional to 666,940.62, 1,000,570.10 and 217,662.33

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Solution

The fourth proportional to 666,940.62, 1,000,570.10 and 217,662.33 is: 326,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,940.62 : 1,000,570.10 = 217,662.33 : x
  2. Step 2: Convert to fraction form
    666,940.62/1,000,570.10 = 217,662.33/x
  3. Step 3: Cross multiply
    666,940.62x = 1,000,570.10 × 217,662.33
  4. Step 4: Simplify right side
    666,940.62x = 217,786,418,206.02
  5. Step 5: Solve for x
    x = 217,786,418,206.02/666,940.62
  6. Step 6: Final answer
    x = 326,545.44

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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.