Home / 681,218.22-940,073.00-375,288.51

Finding the Fourth Proportional to 681,218.22, 940,073.00 and 375,288.51

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Solution

The fourth proportional to 681,218.22, 940,073.00 and 375,288.51 is: 517,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,218.22 : 940,073.00 = 375,288.51 : x
  2. Step 2: Convert to fraction form
    681,218.22/940,073.00 = 375,288.51/x
  3. Step 3: Cross multiply
    681,218.22x = 940,073.00 × 375,288.51
  4. Step 4: Simplify right side
    681,218.22x = 352,798,593,584.79
  5. Step 5: Solve for x
    x = 352,798,593,584.79/681,218.22
  6. Step 6: Final answer
    x = 517,893.65

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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.