Home / 681,764.36-940,792.34-375,824.84

Finding the Fourth Proportional to 681,764.36, 940,792.34 and 375,824.84

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Solution

The fourth proportional to 681,764.36, 940,792.34 and 375,824.84 is: 518,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,764.36 : 940,792.34 = 375,824.84 : x
  2. Step 2: Convert to fraction form
    681,764.36/940,792.34 = 375,824.84/x
  3. Step 3: Cross multiply
    681,764.36x = 940,792.34 × 375,824.84
  4. Step 4: Simplify right side
    681,764.36x = 353,573,130,653.73
  5. Step 5: Solve for x
    x = 353,573,130,653.73/681,764.36
  6. Step 6: Final answer
    x = 518,614.86

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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.