Home / 451,313.21-622,819.59-247,383.70

Finding the Fourth Proportional to 451,313.21, 622,819.59 and 247,383.70

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Solution

The fourth proportional to 451,313.21, 622,819.59 and 247,383.70 is: 341,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,313.21 : 622,819.59 = 247,383.70 : x
  2. Step 2: Convert to fraction form
    451,313.21/622,819.59 = 247,383.70/x
  3. Step 3: Cross multiply
    451,313.21x = 622,819.59 × 247,383.70
  4. Step 4: Simplify right side
    451,313.21x = 154,075,414,606.68
  5. Step 5: Solve for x
    x = 154,075,414,606.68/451,313.21
  6. Step 6: Final answer
    x = 341,393.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.