Finding the Fourth Proportional to 777,363.68, 1,166,143.94 and 303,987.53
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Solution
The fourth proportional to 777,363.68, 1,166,143.94 and 303,987.53 is: 456,019.78
Step by Step Solution
- Step 1: Write the proportion equation
777,363.68 : 1,166,143.94 = 303,987.53 : x - Step 2: Convert to fraction form
777,363.68/1,166,143.94 = 303,987.53/x - Step 3: Cross multiply
777,363.68x = 1,166,143.94 × 303,987.53 - Step 4: Simplify right side
777,363.68x = 354,493,218,480.44 - Step 5: Solve for x
x = 354,493,218,480.44/777,363.68 - Step 6: Final answer
x = 456,019.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.