Home / 681,855.48-940,966.80-375,942.84

Finding the Fourth Proportional to 681,855.48, 940,966.80 and 375,942.84

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Solution

The fourth proportional to 681,855.48, 940,966.80 and 375,942.84 is: 518,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,855.48 : 940,966.80 = 375,942.84 : x
  2. Step 2: Convert to fraction form
    681,855.48/940,966.80 = 375,942.84/x
  3. Step 3: Cross multiply
    681,855.48x = 940,966.80 × 375,942.84
  4. Step 4: Simplify right side
    681,855.48x = 353,749,731,137.71
  5. Step 5: Solve for x
    x = 353,749,731,137.71/681,855.48
  6. Step 6: Final answer
    x = 518,804.56

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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.