Home / 774,629.66-1,161,943.59-269,190.68

Finding the Fourth Proportional to 774,629.66, 1,161,943.59 and 269,190.68

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Solution

The fourth proportional to 774,629.66, 1,161,943.59 and 269,190.68 is: 403,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,629.66 : 1,161,943.59 = 269,190.68 : x
  2. Step 2: Convert to fraction form
    774,629.66/1,161,943.59 = 269,190.68/x
  3. Step 3: Cross multiply
    774,629.66x = 1,161,943.59 × 269,190.68
  4. Step 4: Simplify right side
    774,629.66x = 312,784,380,313.49
  5. Step 5: Solve for x
    x = 312,784,380,313.49/774,629.66
  6. Step 6: Final answer
    x = 403,785.70

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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.