Finding the Fourth Proportional to 916,114.20, 1,373,527.47 and 403,536.12
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Solution
The fourth proportional to 916,114.20, 1,373,527.47 and 403,536.12 is: 605,020.58
Step by Step Solution
- Step 1: Write the proportion equation
916,114.20 : 1,373,527.47 = 403,536.12 : x - Step 2: Convert to fraction form
916,114.20/1,373,527.47 = 403,536.12/x - Step 3: Cross multiply
916,114.20x = 1,373,527.47 × 403,536.12 - Step 4: Simplify right side
916,114.20x = 554,267,945,957.22 - Step 5: Solve for x
x = 554,267,945,957.22/916,114.20 - Step 6: Final answer
x = 605,020.58
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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.