Finding the Fourth Proportional to 775,691.62, 1,163,537.52 and 243,259.18
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Solution
The fourth proportional to 775,691.62, 1,163,537.52 and 243,259.18 is: 364,888.80
Step by Step Solution
- Step 1: Write the proportion equation
775,691.62 : 1,163,537.52 = 243,259.18 : x - Step 2: Convert to fraction form
775,691.62/1,163,537.52 = 243,259.18/x - Step 3: Cross multiply
775,691.62x = 1,163,537.52 × 243,259.18 - Step 4: Simplify right side
775,691.62x = 283,041,183,014.43 - Step 5: Solve for x
x = 283,041,183,014.43/775,691.62 - Step 6: Final answer
x = 364,888.80
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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.