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Finding the Fourth Proportional to 536,618.98, 740,562.56 and 304,091.05

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Solution

The fourth proportional to 536,618.98, 740,562.56 and 304,091.05 is: 419,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,618.98 : 740,562.56 = 304,091.05 : x
  2. Step 2: Convert to fraction form
    536,618.98/740,562.56 = 304,091.05/x
  3. Step 3: Cross multiply
    536,618.98x = 740,562.56 × 304,091.05
  4. Step 4: Simplify right side
    536,618.98x = 225,198,445,940.08
  5. Step 5: Solve for x
    x = 225,198,445,940.08/536,618.98
  6. Step 6: Final answer
    x = 419,661.73

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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.