Finding the Fourth Proportional to 821,608.62, 1,133,820.37 and 459,032.48
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Solution
The fourth proportional to 821,608.62, 1,133,820.37 and 459,032.48 is: 633,465.09
Step by Step Solution
- Step 1: Write the proportion equation
821,608.62 : 1,133,820.37 = 459,032.48 : x - Step 2: Convert to fraction form
821,608.62/1,133,820.37 = 459,032.48/x - Step 3: Cross multiply
821,608.62x = 1,133,820.37 × 459,032.48 - Step 4: Simplify right side
821,608.62x = 520,460,373,143.95 - Step 5: Solve for x
x = 520,460,373,143.95/821,608.62 - Step 6: Final answer
x = 633,465.09
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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.