Home / 690,706.91-1,036,200.49-217,282.16

Finding the Fourth Proportional to 690,706.91, 1,036,200.49 and 217,282.16

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Solution

The fourth proportional to 690,706.91, 1,036,200.49 and 217,282.16 is: 325,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,706.91 : 1,036,200.49 = 217,282.16 : x
  2. Step 2: Convert to fraction form
    690,706.91/1,036,200.49 = 217,282.16/x
  3. Step 3: Cross multiply
    690,706.91x = 1,036,200.49 × 217,282.16
  4. Step 4: Simplify right side
    690,706.91x = 225,147,877,286.33
  5. Step 5: Solve for x
    x = 225,147,877,286.33/690,706.91
  6. Step 6: Final answer
    x = 325,967.32

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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.