Home / 451,276.38-622,769.40-247,313.72

Finding the Fourth Proportional to 451,276.38, 622,769.40 and 247,313.72

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Solution

The fourth proportional to 451,276.38, 622,769.40 and 247,313.72 is: 341,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,276.38 : 622,769.40 = 247,313.72 : x
  2. Step 2: Convert to fraction form
    451,276.38/622,769.40 = 247,313.72/x
  3. Step 3: Cross multiply
    451,276.38x = 622,769.40 × 247,313.72
  4. Step 4: Simplify right side
    451,276.38x = 154,019,413,902.32
  5. Step 5: Solve for x
    x = 154,019,413,902.32/451,276.38
  6. Step 6: Final answer
    x = 341,297.31

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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.