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Finding the Fourth Proportional to 660,550.73, 911,616.23 and 374,121.77

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Solution

The fourth proportional to 660,550.73, 911,616.23 and 374,121.77 is: 516,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,550.73 : 911,616.23 = 374,121.77 : x
  2. Step 2: Convert to fraction form
    660,550.73/911,616.23 = 374,121.77/x
  3. Step 3: Cross multiply
    660,550.73x = 911,616.23 × 374,121.77
  4. Step 4: Simplify right side
    660,550.73x = 341,055,477,528.33
  5. Step 5: Solve for x
    x = 341,055,477,528.33/660,550.73
  6. Step 6: Final answer
    x = 516,319.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.