Home / 893,629.26-1,339,691.00-387,809.37

Finding the Fourth Proportional to 893,629.26, 1,339,691.00 and 387,809.37

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Solution

The fourth proportional to 893,629.26, 1,339,691.00 and 387,809.37 is: 581,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,629.26 : 1,339,691.00 = 387,809.37 : x
  2. Step 2: Convert to fraction form
    893,629.26/1,339,691.00 = 387,809.37/x
  3. Step 3: Cross multiply
    893,629.26x = 1,339,691.00 × 387,809.37
  4. Step 4: Simplify right side
    893,629.26x = 519,544,720,765.62
  5. Step 5: Solve for x
    x = 519,544,720,765.62/893,629.26
  6. Step 6: Final answer
    x = 581,387.32

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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.