Finding the Fourth Proportional to 853,162.42, 1,177,354.29 and 465,975.94
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Solution
The fourth proportional to 853,162.42, 1,177,354.29 and 465,975.94 is: 643,041.42
Step by Step Solution
- Step 1: Write the proportion equation
853,162.42 : 1,177,354.29 = 465,975.94 : x - Step 2: Convert to fraction form
853,162.42/1,177,354.29 = 465,975.94/x - Step 3: Cross multiply
853,162.42x = 1,177,354.29 × 465,975.94 - Step 4: Simplify right side
853,162.42x = 548,618,771,995.78 - Step 5: Solve for x
x = 548,618,771,995.78/853,162.42 - Step 6: Final answer
x = 643,041.42
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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.