Home / 984,614.10-1,476,789.90-274,582.68

Finding the Fourth Proportional to 984,614.10, 1,476,789.90 and 274,582.68

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Solution

The fourth proportional to 984,614.10, 1,476,789.90 and 274,582.68 is: 411,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,614.10 : 1,476,789.90 = 274,582.68 : x
  2. Step 2: Convert to fraction form
    984,614.10/1,476,789.90 = 274,582.68/x
  3. Step 3: Cross multiply
    984,614.10x = 1,476,789.90 × 274,582.68
  4. Step 4: Simplify right side
    984,614.10x = 405,500,928,538.93
  5. Step 5: Solve for x
    x = 405,500,928,538.93/984,614.10
  6. Step 6: Final answer
    x = 411,837.42

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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.