Home / 657,567.73-985,558.47-320,102.56

Finding the Fourth Proportional to 657,567.73, 985,558.47 and 320,102.56

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Solution

The fourth proportional to 657,567.73, 985,558.47 and 320,102.56 is: 479,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,567.73 : 985,558.47 = 320,102.56 : x
  2. Step 2: Convert to fraction form
    657,567.73/985,558.47 = 320,102.56/x
  3. Step 3: Cross multiply
    657,567.73x = 985,558.47 × 320,102.56
  4. Step 4: Simplify right side
    657,567.73x = 315,479,789,276.68
  5. Step 5: Solve for x
    x = 315,479,789,276.68/657,567.73
  6. Step 6: Final answer
    x = 479,767.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.