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Finding the Fourth Proportional to 578,268.88, 797,940.58 and 320,126.34

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Solution

The fourth proportional to 578,268.88, 797,940.58 and 320,126.34 is: 441,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,268.88 : 797,940.58 = 320,126.34 : x
  2. Step 2: Convert to fraction form
    578,268.88/797,940.58 = 320,126.34/x
  3. Step 3: Cross multiply
    578,268.88x = 797,940.58 × 320,126.34
  4. Step 4: Simplify right side
    578,268.88x = 255,441,797,412.88
  5. Step 5: Solve for x
    x = 255,441,797,412.88/578,268.88
  6. Step 6: Final answer
    x = 441,735.33

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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.