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Finding the Fourth Proportional to 483,022.37, 666,557.89 and 289,539.38

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Solution

The fourth proportional to 483,022.37, 666,557.89 and 289,539.38 is: 399,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,022.37 : 666,557.89 = 289,539.38 : x
  2. Step 2: Convert to fraction form
    483,022.37/666,557.89 = 289,539.38/x
  3. Step 3: Cross multiply
    483,022.37x = 666,557.89 × 289,539.38
  4. Step 4: Simplify right side
    483,022.37x = 192,994,758,204.71
  5. Step 5: Solve for x
    x = 192,994,758,204.71/483,022.37
  6. Step 6: Final answer
    x = 399,556.56

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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.