Home / 483,905.97-667,827.64-290,320.96

Finding the Fourth Proportional to 483,905.97, 667,827.64 and 290,320.96

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Solution

The fourth proportional to 483,905.97, 667,827.64 and 290,320.96 is: 400,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,905.97 : 667,827.64 = 290,320.96 : x
  2. Step 2: Convert to fraction form
    483,905.97/667,827.64 = 290,320.96/x
  3. Step 3: Cross multiply
    483,905.97x = 667,827.64 × 290,320.96
  4. Step 4: Simplify right side
    483,905.97x = 193,884,361,559.33
  5. Step 5: Solve for x
    x = 193,884,361,559.33/483,905.97
  6. Step 6: Final answer
    x = 400,665.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.