Finding the Fourth Proportional to 943,071.09, 1,413,753.49 and 343,892.08
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Solution
The fourth proportional to 943,071.09, 1,413,753.49 and 343,892.08 is: 515,527.02
Step by Step Solution
- Step 1: Write the proportion equation
943,071.09 : 1,413,753.49 = 343,892.08 : x - Step 2: Convert to fraction form
943,071.09/1,413,753.49 = 343,892.08/x - Step 3: Cross multiply
943,071.09x = 1,413,753.49 × 343,892.08 - Step 4: Simplify right side
943,071.09x = 486,178,628,283.36 - Step 5: Solve for x
x = 486,178,628,283.36/943,071.09 - Step 6: Final answer
x = 515,527.02
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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.