Finding the Fourth Proportional to 768,073.68, 1,059,771.96 and 445,596.96
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Solution
The fourth proportional to 768,073.68, 1,059,771.96 and 445,596.96 is: 614,825.34
Step by Step Solution
- Step 1: Write the proportion equation
768,073.68 : 1,059,771.96 = 445,596.96 : x - Step 2: Convert to fraction form
768,073.68/1,059,771.96 = 445,596.96/x - Step 3: Cross multiply
768,073.68x = 1,059,771.96 × 445,596.96 - Step 4: Simplify right side
768,073.68x = 472,231,163,669.24 - Step 5: Solve for x
x = 472,231,163,669.24/768,073.68 - Step 6: Final answer
x = 614,825.34
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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.