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Finding the Fourth Proportional to 681,503.67, 940,481.49 and 375,591.24

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Solution

The fourth proportional to 681,503.67, 940,481.49 and 375,591.24 is: 518,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,503.67 : 940,481.49 = 375,591.24 : x
  2. Step 2: Convert to fraction form
    681,503.67/940,481.49 = 375,591.24/x
  3. Step 3: Cross multiply
    681,503.67x = 940,481.49 × 375,591.24
  4. Step 4: Simplify right side
    681,503.67x = 353,236,609,026.15
  5. Step 5: Solve for x
    x = 353,236,609,026.15/681,503.67
  6. Step 6: Final answer
    x = 518,319.45

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1.5x scale

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.