Home / 994,469.07-1,491,933.03-311,317.09

Finding the Fourth Proportional to 994,469.07, 1,491,933.03 and 311,317.09

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Solution

The fourth proportional to 994,469.07, 1,491,933.03 and 311,317.09 is: 467,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,469.07 : 1,491,933.03 = 311,317.09 : x
  2. Step 2: Convert to fraction form
    994,469.07/1,491,933.03 = 311,317.09/x
  3. Step 3: Cross multiply
    994,469.07x = 1,491,933.03 × 311,317.09
  4. Step 4: Simplify right side
    994,469.07x = 464,464,249,374.48
  5. Step 5: Solve for x
    x = 464,464,249,374.48/994,469.07
  6. Step 6: Final answer
    x = 467,047.46

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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.