Finding the Fourth Proportional to 775,608.02, 1,163,412.36 and 243,170.55
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Solution
The fourth proportional to 775,608.02, 1,163,412.36 and 243,170.55 is: 364,755.93
Step by Step Solution
- Step 1: Write the proportion equation
775,608.02 : 1,163,412.36 = 243,170.55 : x - Step 2: Convert to fraction form
775,608.02/1,163,412.36 = 243,170.55/x - Step 3: Cross multiply
775,608.02x = 1,163,412.36 × 243,170.55 - Step 4: Simplify right side
775,608.02x = 282,907,623,458.00 - Step 5: Solve for x
x = 282,907,623,458.00/775,608.02 - Step 6: Final answer
x = 364,755.93
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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.