Home / 398,736.48-595,562.84-360,727.36

Finding the Fourth Proportional to 398,736.48, 595,562.84 and 360,727.36

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Solution

The fourth proportional to 398,736.48, 595,562.84 and 360,727.36 is: 538,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,736.48 : 595,562.84 = 360,727.36 : x
  2. Step 2: Convert to fraction form
    398,736.48/595,562.84 = 360,727.36/x
  3. Step 3: Cross multiply
    398,736.48x = 595,562.84 × 360,727.36
  4. Step 4: Simplify right side
    398,736.48x = 214,835,810,987.30
  5. Step 5: Solve for x
    x = 214,835,810,987.30/398,736.48
  6. Step 6: Final answer
    x = 538,791.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.