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Finding the Fourth Proportional to 876,827, 1,315,278.78 and 277,832.31

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Solution

The fourth proportional to 876,827, 1,315,278.78 and 277,832.31 is: 416,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,827 : 1,315,278.78 = 277,832.31 : x
  2. Step 2: Convert to fraction form
    876,827/1,315,278.78 = 277,832.31/x
  3. Step 3: Cross multiply
    876,827x = 1,315,278.78 × 277,832.31
  4. Step 4: Simplify right side
    876,827x = 365,426,940,352.22
  5. Step 5: Solve for x
    x = 365,426,940,352.22/876,827
  6. Step 6: Final answer
    x = 416,760.59

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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.