Home / 682,551.21-942,108.03-396,163.56

Finding the Fourth Proportional to 682,551.21, 942,108.03 and 396,163.56

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Solution

The fourth proportional to 682,551.21, 942,108.03 and 396,163.56 is: 546,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,551.21 : 942,108.03 = 396,163.56 : x
  2. Step 2: Convert to fraction form
    682,551.21/942,108.03 = 396,163.56/x
  3. Step 3: Cross multiply
    682,551.21x = 942,108.03 × 396,163.56
  4. Step 4: Simplify right side
    682,551.21x = 373,228,871,069.39
  5. Step 5: Solve for x
    x = 373,228,871,069.39/682,551.21
  6. Step 6: Final answer
    x = 546,814.46

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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.