Home / 438,523.93-605,743.80-352,805.83

Finding the Fourth Proportional to 438,523.93, 605,743.80 and 352,805.83

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Solution

The fourth proportional to 438,523.93, 605,743.80 and 352,805.83 is: 487,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,523.93 : 605,743.80 = 352,805.83 : x
  2. Step 2: Convert to fraction form
    438,523.93/605,743.80 = 352,805.83/x
  3. Step 3: Cross multiply
    438,523.93x = 605,743.80 × 352,805.83
  4. Step 4: Simplify right side
    438,523.93x = 213,709,943,273.51
  5. Step 5: Solve for x
    x = 213,709,943,273.51/438,523.93
  6. Step 6: Final answer
    x = 487,339.30

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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.