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Finding the Fourth Proportional to 622,403.69, 858,998.94 and 350,524.73

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Solution

The fourth proportional to 622,403.69, 858,998.94 and 350,524.73 is: 483,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,403.69 : 858,998.94 = 350,524.73 : x
  2. Step 2: Convert to fraction form
    622,403.69/858,998.94 = 350,524.73/x
  3. Step 3: Cross multiply
    622,403.69x = 858,998.94 × 350,524.73
  4. Step 4: Simplify right side
    622,403.69x = 301,100,374,318.52
  5. Step 5: Solve for x
    x = 301,100,374,318.52/622,403.69
  6. Step 6: Final answer
    x = 483,770.23

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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.