Home / 875,563.31-1,313,274.83-389,395.97

Finding the Fourth Proportional to 875,563.31, 1,313,274.83 and 389,395.97

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Solution

The fourth proportional to 875,563.31, 1,313,274.83 and 389,395.97 is: 584,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,563.31 : 1,313,274.83 = 389,395.97 : x
  2. Step 2: Convert to fraction form
    875,563.31/1,313,274.83 = 389,395.97/x
  3. Step 3: Cross multiply
    875,563.31x = 1,313,274.83 × 389,395.97
  4. Step 4: Simplify right side
    875,563.31x = 511,383,917,791.08
  5. Step 5: Solve for x
    x = 511,383,917,791.08/875,563.31
  6. Step 6: Final answer
    x = 584,062.76

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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.