Finding the Fourth Proportional to 853,587.67, 1,177,974.75 and 471,639.07
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Solution
The fourth proportional to 853,587.67, 1,177,974.75 and 471,639.07 is: 650,875.05
Step by Step Solution
- Step 1: Write the proportion equation
853,587.67 : 1,177,974.75 = 471,639.07 : x - Step 2: Convert to fraction form
853,587.67/1,177,974.75 = 471,639.07/x - Step 3: Cross multiply
853,587.67x = 1,177,974.75 × 471,639.07 - Step 4: Simplify right side
853,587.67x = 555,578,915,573.48 - Step 5: Solve for x
x = 555,578,915,573.48/853,587.67 - Step 6: Final answer
x = 650,875.05
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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.