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Finding the Fourth Proportional to 534,627.93, 737,806.89 and 305,222.58

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Solution

The fourth proportional to 534,627.93, 737,806.89 and 305,222.58 is: 421,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,627.93 : 737,806.89 = 305,222.58 : x
  2. Step 2: Convert to fraction form
    534,627.93/737,806.89 = 305,222.58/x
  3. Step 3: Cross multiply
    534,627.93x = 737,806.89 × 305,222.58
  4. Step 4: Simplify right side
    534,627.93x = 225,195,322,507.58
  5. Step 5: Solve for x
    x = 225,195,322,507.58/534,627.93
  6. Step 6: Final answer
    x = 421,218.78

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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.