Home / 681,856.98-940,968.87-375,944.34

Finding the Fourth Proportional to 681,856.98, 940,968.87 and 375,944.34

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Solution

The fourth proportional to 681,856.98, 940,968.87 and 375,944.34 is: 518,806.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,856.98 : 940,968.87 = 375,944.34 : x
  2. Step 2: Convert to fraction form
    681,856.98/940,968.87 = 375,944.34/x
  3. Step 3: Cross multiply
    681,856.98x = 940,968.87 × 375,944.34
  4. Step 4: Simplify right side
    681,856.98x = 353,751,920,792.70
  5. Step 5: Solve for x
    x = 353,751,920,792.70/681,856.98
  6. Step 6: Final answer
    x = 518,806.63

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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.