Home / 809,305.84-1,214,090.70-303,906.16

Finding the Fourth Proportional to 809,305.84, 1,214,090.70 and 303,906.16

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Solution

The fourth proportional to 809,305.84, 1,214,090.70 and 303,906.16 is: 455,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,305.84 : 1,214,090.70 = 303,906.16 : x
  2. Step 2: Convert to fraction form
    809,305.84/1,214,090.70 = 303,906.16/x
  3. Step 3: Cross multiply
    809,305.84x = 1,214,090.70 × 303,906.16
  4. Step 4: Simplify right side
    809,305.84x = 368,969,642,528.71
  5. Step 5: Solve for x
    x = 368,969,642,528.71/809,305.84
  6. Step 6: Final answer
    x = 455,908.79

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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.