Home / 681,608.22-940,673.45-375,739.04

Finding the Fourth Proportional to 681,608.22, 940,673.45 and 375,739.04

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Solution

The fourth proportional to 681,608.22, 940,673.45 and 375,739.04 is: 518,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,608.22 : 940,673.45 = 375,739.04 : x
  2. Step 2: Convert to fraction form
    681,608.22/940,673.45 = 375,739.04/x
  3. Step 3: Cross multiply
    681,608.22x = 940,673.45 × 375,739.04
  4. Step 4: Simplify right side
    681,608.22x = 353,447,732,474.43
  5. Step 5: Solve for x
    x = 353,447,732,474.43/681,608.22
  6. Step 6: Final answer
    x = 518,549.69

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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.