Finding the Fourth Proportional to 691,399.44, 954,091.44 and 385,465.68
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Solution
The fourth proportional to 691,399.44, 954,091.44 and 385,465.68 is: 531,920.46
Step by Step Solution
- Step 1: Write the proportion equation
691,399.44 : 954,091.44 = 385,465.68 : x - Step 2: Convert to fraction form
691,399.44/954,091.44 = 385,465.68/x - Step 3: Cross multiply
691,399.44x = 954,091.44 × 385,465.68 - Step 4: Simplify right side
691,399.44x = 367,769,505,701.78 - Step 5: Solve for x
x = 367,769,505,701.78/691,399.44 - Step 6: Final answer
x = 531,920.46
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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.