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Finding the Fourth Proportional to 653,607.21, 901,999.83 and 363,231.01

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Solution

The fourth proportional to 653,607.21, 901,999.83 and 363,231.01 is: 501,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,607.21 : 901,999.83 = 363,231.01 : x
  2. Step 2: Convert to fraction form
    653,607.21/901,999.83 = 363,231.01/x
  3. Step 3: Cross multiply
    653,607.21x = 901,999.83 × 363,231.01
  4. Step 4: Simplify right side
    653,607.21x = 327,634,309,270.73
  5. Step 5: Solve for x
    x = 327,634,309,270.73/653,607.21
  6. Step 6: Final answer
    x = 501,270.95

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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.