Home / 501,322.39-691,820.19-271,884.74

Finding the Fourth Proportional to 501,322.39, 691,820.19 and 271,884.74

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Solution

The fourth proportional to 501,322.39, 691,820.19 and 271,884.74 is: 375,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,322.39 : 691,820.19 = 271,884.74 : x
  2. Step 2: Convert to fraction form
    501,322.39/691,820.19 = 271,884.74/x
  3. Step 3: Cross multiply
    501,322.39x = 691,820.19 × 271,884.74
  4. Step 4: Simplify right side
    501,322.39x = 188,095,351,944.42
  5. Step 5: Solve for x
    x = 188,095,351,944.42/501,322.39
  6. Step 6: Final answer
    x = 375,198.39

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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.