Home / 694,153.08-1,040,041.32-378,831.48

Finding the Fourth Proportional to 694,153.08, 1,040,041.32 and 378,831.48

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Solution

The fourth proportional to 694,153.08, 1,040,041.32 and 378,831.48 is: 567,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,153.08 : 1,040,041.32 = 378,831.48 : x
  2. Step 2: Convert to fraction form
    694,153.08/1,040,041.32 = 378,831.48/x
  3. Step 3: Cross multiply
    694,153.08x = 1,040,041.32 × 378,831.48
  4. Step 4: Simplify right side
    694,153.08x = 394,000,392,516.75
  5. Step 5: Solve for x
    x = 394,000,392,516.75/694,153.08
  6. Step 6: Final answer
    x = 567,598.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.