Home / 690,786.96-1,036,089.72-217,474.80

Finding the Fourth Proportional to 690,786.96, 1,036,089.72 and 217,474.80

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Solution

The fourth proportional to 690,786.96, 1,036,089.72 and 217,474.80 is: 326,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,786.96 : 1,036,089.72 = 217,474.80 : x
  2. Step 2: Convert to fraction form
    690,786.96/1,036,089.72 = 217,474.80/x
  3. Step 3: Cross multiply
    690,786.96x = 1,036,089.72 × 217,474.80
  4. Step 4: Simplify right side
    690,786.96x = 225,323,404,639.06
  5. Step 5: Solve for x
    x = 225,323,404,639.06/690,786.96
  6. Step 6: Final answer
    x = 326,183.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.