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Finding the Fourth Proportional to 507,619.80, 760,797.90 and 327,229.56

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Solution

The fourth proportional to 507,619.80, 760,797.90 and 327,229.56 is: 490,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,619.80 : 760,797.90 = 327,229.56 : x
  2. Step 2: Convert to fraction form
    507,619.80/760,797.90 = 327,229.56/x
  3. Step 3: Cross multiply
    507,619.80x = 760,797.90 × 327,229.56
  4. Step 4: Simplify right side
    507,619.80x = 248,955,562,065.92
  5. Step 5: Solve for x
    x = 248,955,562,065.92/507,619.80
  6. Step 6: Final answer
    x = 490,437.06

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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.