Home / 952,078.72-1,428,122.94-320,998

Finding the Fourth Proportional to 952,078.72, 1,428,122.94 and 320,998

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Solution

The fourth proportional to 952,078.72, 1,428,122.94 and 320,998 is: 481,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,078.72 : 1,428,122.94 = 320,998 : x
  2. Step 2: Convert to fraction form
    952,078.72/1,428,122.94 = 320,998/x
  3. Step 3: Cross multiply
    952,078.72x = 1,428,122.94 × 320,998
  4. Step 4: Simplify right side
    952,078.72x = 458,424,607,494.12
  5. Step 5: Solve for x
    x = 458,424,607,494.12/952,078.72
  6. Step 6: Final answer
    x = 481,498.64

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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.