Finding the Fourth Proportional to 545,519.87, 752,763.49 and 303,824.94
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Solution
The fourth proportional to 545,519.87, 752,763.49 and 303,824.94 is: 419,248.38
Step by Step Solution
- Step 1: Write the proportion equation
545,519.87 : 752,763.49 = 303,824.94 : x - Step 2: Convert to fraction form
545,519.87/752,763.49 = 303,824.94/x - Step 3: Cross multiply
545,519.87x = 752,763.49 × 303,824.94 - Step 4: Simplify right side
545,519.87x = 228,708,322,183.44 - Step 5: Solve for x
x = 228,708,322,183.44/545,519.87 - Step 6: Final answer
x = 419,248.38
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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.