Home / 681,645.69-940,677.66-375,734.07

Finding the Fourth Proportional to 681,645.69, 940,677.66 and 375,734.07

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Solution

The fourth proportional to 681,645.69, 940,677.66 and 375,734.07 is: 518,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,645.69 : 940,677.66 = 375,734.07 : x
  2. Step 2: Convert to fraction form
    681,645.69/940,677.66 = 375,734.07/x
  3. Step 3: Cross multiply
    681,645.69x = 940,677.66 × 375,734.07
  4. Step 4: Simplify right side
    681,645.69x = 353,444,645,749.88
  5. Step 5: Solve for x
    x = 353,444,645,749.88/681,645.69
  6. Step 6: Final answer
    x = 518,516.66

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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.