Finding the Fourth Proportional to 881,788.62, 1,322,618.70 and 395,621.31
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Solution
The fourth proportional to 881,788.62, 1,322,618.70 and 395,621.31 is: 593,403.15
Step by Step Solution
- Step 1: Write the proportion equation
881,788.62 : 1,322,618.70 = 395,621.31 : x - Step 2: Convert to fraction form
881,788.62/1,322,618.70 = 395,621.31/x - Step 3: Cross multiply
881,788.62x = 1,322,618.70 × 395,621.31 - Step 4: Simplify right side
881,788.62x = 523,256,142,724.50 - Step 5: Solve for x
x = 523,256,142,724.50/881,788.62 - Step 6: Final answer
x = 593,403.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.