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Finding the Fourth Proportional to 682,908.92, 942,365.93 and 376,936.21

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Solution

The fourth proportional to 682,908.92, 942,365.93 and 376,936.21 is: 520,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,908.92 : 942,365.93 = 376,936.21 : x
  2. Step 2: Convert to fraction form
    682,908.92/942,365.93 = 376,936.21/x
  3. Step 3: Cross multiply
    682,908.92x = 942,365.93 × 376,936.21
  4. Step 4: Simplify right side
    682,908.92x = 355,211,842,087.33
  5. Step 5: Solve for x
    x = 355,211,842,087.33/682,908.92
  6. Step 6: Final answer
    x = 520,145.27

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1.5x scale

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.