Finding the Fourth Proportional to 768,093.76, 1,059,799.68 and 445,616.96
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Solution
The fourth proportional to 768,093.76, 1,059,799.68 and 445,616.96 is: 614,852.95
Step by Step Solution
- Step 1: Write the proportion equation
768,093.76 : 1,059,799.68 = 445,616.96 : x - Step 2: Convert to fraction form
768,093.76/1,059,799.68 = 445,616.96/x - Step 3: Cross multiply
768,093.76x = 1,059,799.68 × 445,616.96 - Step 4: Simplify right side
768,093.76x = 472,264,711,610.57 - Step 5: Solve for x
x = 472,264,711,610.57/768,093.76 - Step 6: Final answer
x = 614,852.95
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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.