Finding the Fourth Proportional to 853,183.56, 1,177,369.10 and 471,202.14
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Solution
The fourth proportional to 853,183.56, 1,177,369.10 and 471,202.14 is: 650,245.58
Step by Step Solution
- Step 1: Write the proportion equation
853,183.56 : 1,177,369.10 = 471,202.14 : x - Step 2: Convert to fraction form
853,183.56/1,177,369.10 = 471,202.14/x - Step 3: Cross multiply
853,183.56x = 1,177,369.10 × 471,202.14 - Step 4: Simplify right side
853,183.56x = 554,778,839,489.87 - Step 5: Solve for x
x = 554,778,839,489.87/853,183.56 - Step 6: Final answer
x = 650,245.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.