Finding the Fourth Proportional to 775,642.42, 1,163,512.84 and 376,175.94
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Solution
The fourth proportional to 775,642.42, 1,163,512.84 and 376,175.94 is: 564,287.78
Step by Step Solution
- Step 1: Write the proportion equation
775,642.42 : 1,163,512.84 = 376,175.94 : x - Step 2: Convert to fraction form
775,642.42/1,163,512.84 = 376,175.94/x - Step 3: Cross multiply
775,642.42x = 1,163,512.84 × 376,175.94 - Step 4: Simplify right side
775,642.42x = 437,685,536,289.07 - Step 5: Solve for x
x = 437,685,536,289.07/775,642.42 - Step 6: Final answer
x = 564,287.78
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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.