Home / 764,721.24-1,055,342.37-438,092.58

Finding the Fourth Proportional to 764,721.24, 1,055,342.37 and 438,092.58

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Solution

The fourth proportional to 764,721.24, 1,055,342.37 and 438,092.58 is: 604,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,721.24 : 1,055,342.37 = 438,092.58 : x
  2. Step 2: Convert to fraction form
    764,721.24/1,055,342.37 = 438,092.58/x
  3. Step 3: Cross multiply
    764,721.24x = 1,055,342.37 × 438,092.58
  4. Step 4: Simplify right side
    764,721.24x = 462,337,661,656.62
  5. Step 5: Solve for x
    x = 462,337,661,656.62/764,721.24
  6. Step 6: Final answer
    x = 604,583.26

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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.