Home / 457,922.72-631,851.89-276,513.09

Finding the Fourth Proportional to 457,922.72, 631,851.89 and 276,513.09

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Solution

The fourth proportional to 457,922.72, 631,851.89 and 276,513.09 is: 381,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,922.72 : 631,851.89 = 276,513.09 : x
  2. Step 2: Convert to fraction form
    457,922.72/631,851.89 = 276,513.09/x
  3. Step 3: Cross multiply
    457,922.72x = 631,851.89 × 276,513.09
  4. Step 4: Simplify right side
    457,922.72x = 174,715,317,143.68
  5. Step 5: Solve for x
    x = 174,715,317,143.68/457,922.72
  6. Step 6: Final answer
    x = 381,538.87

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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.