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Finding the Fourth Proportional to 622,550.50, 859,151.61 and 380,757.13

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Solution

The fourth proportional to 622,550.50, 859,151.61 and 380,757.13 is: 525,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,550.50 : 859,151.61 = 380,757.13 : x
  2. Step 2: Convert to fraction form
    622,550.50/859,151.61 = 380,757.13/x
  3. Step 3: Cross multiply
    622,550.50x = 859,151.61 × 380,757.13
  4. Step 4: Simplify right side
    622,550.50x = 327,128,099,110.60
  5. Step 5: Solve for x
    x = 327,128,099,110.60/622,550.50
  6. Step 6: Final answer
    x = 525,464.36

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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.