Finding the Fourth Proportional to 828,734.20, 1,243,101.34 and 548,185.84
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Solution
The fourth proportional to 828,734.20, 1,243,101.34 and 548,185.84 is: 822,278.79
Step by Step Solution
- Step 1: Write the proportion equation
828,734.20 : 1,243,101.34 = 548,185.84 : x - Step 2: Convert to fraction form
828,734.20/1,243,101.34 = 548,185.84/x - Step 3: Cross multiply
828,734.20x = 1,243,101.34 × 548,185.84 - Step 4: Simplify right side
828,734.20x = 681,450,552,273.03 - Step 5: Solve for x
x = 681,450,552,273.03/828,734.20 - Step 6: Final answer
x = 822,278.79
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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.