Home / 690,707.22-1,036,200.96-217,282.47

Finding the Fourth Proportional to 690,707.22, 1,036,200.96 and 217,282.47

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Solution

The fourth proportional to 690,707.22, 1,036,200.96 and 217,282.47 is: 325,967.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,707.22 : 1,036,200.96 = 217,282.47 : x
  2. Step 2: Convert to fraction form
    690,707.22/1,036,200.96 = 217,282.47/x
  3. Step 3: Cross multiply
    690,707.22x = 1,036,200.96 × 217,282.47
  4. Step 4: Simplify right side
    690,707.22x = 225,148,304,005.17
  5. Step 5: Solve for x
    x = 225,148,304,005.17/690,707.22
  6. Step 6: Final answer
    x = 325,967.79

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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.