Finding the Fourth Proportional to 821,051.57, 1,133,584.31 and 734,861.09
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Solution
The fourth proportional to 821,051.57, 1,133,584.31 and 734,861.09 is: 1,014,585.48
Step by Step Solution
- Step 1: Write the proportion equation
821,051.57 : 1,133,584.31 = 734,861.09 : x - Step 2: Convert to fraction form
821,051.57/1,133,584.31 = 734,861.09/x - Step 3: Cross multiply
821,051.57x = 1,133,584.31 × 734,861.09 - Step 4: Simplify right side
821,051.57x = 833,027,006,324.61 - Step 5: Solve for x
x = 833,027,006,324.61/821,051.57 - Step 6: Final answer
x = 1,014,585.48
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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.