Finding the Fourth Proportional to 734,879.70, 1,102,036.11 and 285,541.42
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Solution
The fourth proportional to 734,879.70, 1,102,036.11 and 285,541.42 is: 428,201.99
Step by Step Solution
- Step 1: Write the proportion equation
734,879.70 : 1,102,036.11 = 285,541.42 : x - Step 2: Convert to fraction form
734,879.70/1,102,036.11 = 285,541.42/x - Step 3: Cross multiply
734,879.70x = 1,102,036.11 × 285,541.42 - Step 4: Simplify right side
734,879.70x = 314,676,951,914.81 - Step 5: Solve for x
x = 314,676,951,914.81/734,879.70 - Step 6: Final answer
x = 428,201.99
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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.