Home / 809,860.78-1,213,458.27-277,090.66

Finding the Fourth Proportional to 809,860.78, 1,213,458.27 and 277,090.66

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Solution

The fourth proportional to 809,860.78, 1,213,458.27 and 277,090.66 is: 415,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,860.78 : 1,213,458.27 = 277,090.66 : x
  2. Step 2: Convert to fraction form
    809,860.78/1,213,458.27 = 277,090.66/x
  3. Step 3: Cross multiply
    809,860.78x = 1,213,458.27 × 277,090.66
  4. Step 4: Simplify right side
    809,860.78x = 336,237,952,916.76
  5. Step 5: Solve for x
    x = 336,237,952,916.76/809,860.78
  6. Step 6: Final answer
    x = 415,179.94

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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.