Home / 864,449.76-1,295,787.84-331,827.36

Finding the Fourth Proportional to 864,449.76, 1,295,787.84 and 331,827.36

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Solution

The fourth proportional to 864,449.76, 1,295,787.84 and 331,827.36 is: 497,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,449.76 : 1,295,787.84 = 331,827.36 : x
  2. Step 2: Convert to fraction form
    864,449.76/1,295,787.84 = 331,827.36/x
  3. Step 3: Cross multiply
    864,449.76x = 1,295,787.84 × 331,827.36
  4. Step 4: Simplify right side
    864,449.76x = 429,977,858,067.30
  5. Step 5: Solve for x
    x = 429,977,858,067.30/864,449.76
  6. Step 6: Final answer
    x = 497,400.63

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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.