Home / 682,868.46-942,361.75-376,939.28

Finding the Fourth Proportional to 682,868.46, 942,361.75 and 376,939.28

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Solution

The fourth proportional to 682,868.46, 942,361.75 and 376,939.28 is: 520,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,868.46 : 942,361.75 = 376,939.28 : x
  2. Step 2: Convert to fraction form
    682,868.46/942,361.75 = 376,939.28/x
  3. Step 3: Cross multiply
    682,868.46x = 942,361.75 × 376,939.28
  4. Step 4: Simplify right side
    682,868.46x = 355,213,155,303.94
  5. Step 5: Solve for x
    x = 355,213,155,303.94/682,868.46
  6. Step 6: Final answer
    x = 520,178.01

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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.