Home / 840,965.37-1,261,614.21-308,491.02

Finding the Fourth Proportional to 840,965.37, 1,261,614.21 and 308,491.02

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Solution

The fourth proportional to 840,965.37, 1,261,614.21 and 308,491.02 is: 462,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,965.37 : 1,261,614.21 = 308,491.02 : x
  2. Step 2: Convert to fraction form
    840,965.37/1,261,614.21 = 308,491.02/x
  3. Step 3: Cross multiply
    840,965.37x = 1,261,614.21 × 308,491.02
  4. Step 4: Simplify right side
    840,965.37x = 389,196,654,489.39
  5. Step 5: Solve for x
    x = 389,196,654,489.39/840,965.37
  6. Step 6: Final answer
    x = 462,797.48

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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.