Home / 1,107,489.33-1,661,327.65-308,771.55

Finding the Fourth Proportional to 1,107,489.33, 1,661,327.65 and 308,771.55

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Solution

The fourth proportional to 1,107,489.33, 1,661,327.65 and 308,771.55 is: 463,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,489.33 : 1,661,327.65 = 308,771.55 : x
  2. Step 2: Convert to fraction form
    1,107,489.33/1,661,327.65 = 308,771.55/x
  3. Step 3: Cross multiply
    1,107,489.33x = 1,661,327.65 × 308,771.55
  4. Step 4: Simplify right side
    1,107,489.33x = 512,970,713,934.32
  5. Step 5: Solve for x
    x = 512,970,713,934.32/1,107,489.33
  6. Step 6: Final answer
    x = 463,183.44

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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.