Finding the Fourth Proportional to 853,161.42, 1,177,352.91 and 465,974.94
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Solution
The fourth proportional to 853,161.42, 1,177,352.91 and 465,974.94 is: 643,040.04
Step by Step Solution
- Step 1: Write the proportion equation
853,161.42 : 1,177,352.91 = 465,974.94 : x - Step 2: Convert to fraction form
853,161.42/1,177,352.91 = 465,974.94/x - Step 3: Cross multiply
853,161.42x = 1,177,352.91 × 465,974.94 - Step 4: Simplify right side
853,161.42x = 548,616,951,596.08 - Step 5: Solve for x
x = 548,616,951,596.08/853,161.42 - Step 6: Final answer
x = 643,040.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.