Finding the Fourth Proportional to 866,442.09, 1,299,666.78 and 568,805.97
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Solution
The fourth proportional to 866,442.09, 1,299,666.78 and 568,805.97 is: 853,211.35
Step by Step Solution
- Step 1: Write the proportion equation
866,442.09 : 1,299,666.78 = 568,805.97 : x - Step 2: Convert to fraction form
866,442.09/1,299,666.78 = 568,805.97/x - Step 3: Cross multiply
866,442.09x = 1,299,666.78 × 568,805.97 - Step 4: Simplify right side
866,442.09x = 739,258,223,474.68 - Step 5: Solve for x
x = 739,258,223,474.68/866,442.09 - Step 6: Final answer
x = 853,211.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.