Home / 591,629.36-816,448.38-319,697.24

Finding the Fourth Proportional to 591,629.36, 816,448.38 and 319,697.24

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Solution

The fourth proportional to 591,629.36, 816,448.38 and 319,697.24 is: 441,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,629.36 : 816,448.38 = 319,697.24 : x
  2. Step 2: Convert to fraction form
    591,629.36/816,448.38 = 319,697.24/x
  3. Step 3: Cross multiply
    591,629.36x = 816,448.38 × 319,697.24
  4. Step 4: Simplify right side
    591,629.36x = 261,016,289,606.23
  5. Step 5: Solve for x
    x = 261,016,289,606.23/591,629.36
  6. Step 6: Final answer
    x = 441,182.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.