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Finding the Fourth Proportional to 507,481.86, 760,984.40 and 294,310.36

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Solution

The fourth proportional to 507,481.86, 760,984.40 and 294,310.36 is: 441,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,481.86 : 760,984.40 = 294,310.36 : x
  2. Step 2: Convert to fraction form
    507,481.86/760,984.40 = 294,310.36/x
  3. Step 3: Cross multiply
    507,481.86x = 760,984.40 × 294,310.36
  4. Step 4: Simplify right side
    507,481.86x = 223,965,592,718.38
  5. Step 5: Solve for x
    x = 223,965,592,718.38/507,481.86
  6. Step 6: Final answer
    x = 441,327.29

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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.