Finding the Fourth Proportional to 884,416.05, 1,326,884.36 and 285,365.97
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Solution
The fourth proportional to 884,416.05, 1,326,884.36 and 285,365.97 is: 428,132.94
Step by Step Solution
- Step 1: Write the proportion equation
884,416.05 : 1,326,884.36 = 285,365.97 : x - Step 2: Convert to fraction form
884,416.05/1,326,884.36 = 285,365.97/x - Step 3: Cross multiply
884,416.05x = 1,326,884.36 × 285,365.97 - Step 4: Simplify right side
884,416.05x = 378,647,641,042.40 - Step 5: Solve for x
x = 378,647,641,042.40/884,416.05 - Step 6: Final answer
x = 428,132.94
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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.