Home / 718,018.44-990,904.42-412,092.37

Finding the Fourth Proportional to 718,018.44, 990,904.42 and 412,092.37

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Solution

The fourth proportional to 718,018.44, 990,904.42 and 412,092.37 is: 568,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,018.44 : 990,904.42 = 412,092.37 : x
  2. Step 2: Convert to fraction form
    718,018.44/990,904.42 = 412,092.37/x
  3. Step 3: Cross multiply
    718,018.44x = 990,904.42 × 412,092.37
  4. Step 4: Simplify right side
    718,018.44x = 408,344,150,881.28
  5. Step 5: Solve for x
    x = 408,344,150,881.28/718,018.44
  6. Step 6: Final answer
    x = 568,709.84

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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.