Finding the Fourth Proportional to 827,736.44, 1,142,306.35 and 465,167.48
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Solution
The fourth proportional to 827,736.44, 1,142,306.35 and 465,167.48 is: 641,948.01
Step by Step Solution
- Step 1: Write the proportion equation
827,736.44 : 1,142,306.35 = 465,167.48 : x - Step 2: Convert to fraction form
827,736.44/1,142,306.35 = 465,167.48/x - Step 3: Cross multiply
827,736.44x = 1,142,306.35 × 465,167.48 - Step 4: Simplify right side
827,736.44x = 531,363,759,343.05 - Step 5: Solve for x
x = 531,363,759,343.05/827,736.44 - Step 6: Final answer
x = 641,948.01
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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.