Home / 682,830.24-942,305.80-376,906.70

Finding the Fourth Proportional to 682,830.24, 942,305.80 and 376,906.70

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Solution

The fourth proportional to 682,830.24, 942,305.80 and 376,906.70 is: 520,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,830.24 : 942,305.80 = 376,906.70 : x
  2. Step 2: Convert to fraction form
    682,830.24/942,305.80 = 376,906.70/x
  3. Step 3: Cross multiply
    682,830.24x = 942,305.80 × 376,906.70
  4. Step 4: Simplify right side
    682,830.24x = 355,161,369,468.86
  5. Step 5: Solve for x
    x = 355,161,369,468.86/682,830.24
  6. Step 6: Final answer
    x = 520,131.28

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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.