Home / 876,845.31-1,315,252.38-277,790.90

Finding the Fourth Proportional to 876,845.31, 1,315,252.38 and 277,790.90

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Solution

The fourth proportional to 876,845.31, 1,315,252.38 and 277,790.90 is: 416,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,845.31 : 1,315,252.38 = 277,790.90 : x
  2. Step 2: Convert to fraction form
    876,845.31/1,315,252.38 = 277,790.90/x
  3. Step 3: Cross multiply
    876,845.31x = 1,315,252.38 × 277,790.90
  4. Step 4: Simplify right side
    876,845.31x = 365,365,135,791.08
  5. Step 5: Solve for x
    x = 365,365,135,791.08/876,845.31
  6. Step 6: Final answer
    x = 416,681.41

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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.