Home / 681,610.86-940,664.07-375,686.82

Finding the Fourth Proportional to 681,610.86, 940,664.07 and 375,686.82

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Solution

The fourth proportional to 681,610.86, 940,664.07 and 375,686.82 is: 518,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,610.86 : 940,664.07 = 375,686.82 : x
  2. Step 2: Convert to fraction form
    681,610.86/940,664.07 = 375,686.82/x
  3. Step 3: Cross multiply
    681,610.86x = 940,664.07 × 375,686.82
  4. Step 4: Simplify right side
    681,610.86x = 353,395,093,146.56
  5. Step 5: Solve for x
    x = 353,395,093,146.56/681,610.86
  6. Step 6: Final answer
    x = 518,470.46

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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.