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Finding the Fourth Proportional to 653,605.21, 901,997.07 and 363,229.01

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Solution

The fourth proportional to 653,605.21, 901,997.07 and 363,229.01 is: 501,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,605.21 : 901,997.07 = 363,229.01 : x
  2. Step 2: Convert to fraction form
    653,605.21/901,997.07 = 363,229.01/x
  3. Step 3: Cross multiply
    653,605.21x = 901,997.07 × 363,229.01
  4. Step 4: Simplify right side
    653,605.21x = 327,631,502,759.00
  5. Step 5: Solve for x
    x = 327,631,502,759.00/653,605.21
  6. Step 6: Final answer
    x = 501,268.19

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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.