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Finding the Fourth Proportional to 681,450.19, 940,407.48 and 375,537.54

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Solution

The fourth proportional to 681,450.19, 940,407.48 and 375,537.54 is: 518,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,450.19 : 940,407.48 = 375,537.54 : x
  2. Step 2: Convert to fraction form
    681,450.19/940,407.48 = 375,537.54/x
  3. Step 3: Cross multiply
    681,450.19x = 940,407.48 × 375,537.54
  4. Step 4: Simplify right side
    681,450.19x = 353,158,311,636.80
  5. Step 5: Solve for x
    x = 353,158,311,636.80/681,450.19
  6. Step 6: Final answer
    x = 518,245.23

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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.