Finding the Fourth Proportional to 775,905.84, 1,163,103.84 and 370,992.72
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Solution
The fourth proportional to 775,905.84, 1,163,103.84 and 370,992.72 is: 556,128.12
Step by Step Solution
- Step 1: Write the proportion equation
775,905.84 : 1,163,103.84 = 370,992.72 : x - Step 2: Convert to fraction form
775,905.84/1,163,103.84 = 370,992.72/x - Step 3: Cross multiply
775,905.84x = 1,163,103.84 × 370,992.72 - Step 4: Simplify right side
775,905.84x = 431,503,057,244.05 - Step 5: Solve for x
x = 431,503,057,244.05/775,905.84 - Step 6: Final answer
x = 556,128.12
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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.