Home / 741,940.64-1,023,901.26-419,644.44

Finding the Fourth Proportional to 741,940.64, 1,023,901.26 and 419,644.44

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Solution

The fourth proportional to 741,940.64, 1,023,901.26 and 419,644.44 is: 579,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,940.64 : 1,023,901.26 = 419,644.44 : x
  2. Step 2: Convert to fraction form
    741,940.64/1,023,901.26 = 419,644.44/x
  3. Step 3: Cross multiply
    741,940.64x = 1,023,901.26 × 419,644.44
  4. Step 4: Simplify right side
    741,940.64x = 429,674,470,867.99
  5. Step 5: Solve for x
    x = 429,674,470,867.99/741,940.64
  6. Step 6: Final answer
    x = 579,122.44

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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.