Finding the Fourth Proportional to 848,317.36, 1,272,442.80 and 287,351.84
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Solution
The fourth proportional to 848,317.36, 1,272,442.80 and 287,351.84 is: 431,016.50
Step by Step Solution
- Step 1: Write the proportion equation
848,317.36 : 1,272,442.80 = 287,351.84 : x - Step 2: Convert to fraction form
848,317.36/1,272,442.80 = 287,351.84/x - Step 3: Cross multiply
848,317.36x = 1,272,442.80 × 287,351.84 - Step 4: Simplify right side
848,317.36x = 365,638,779,874.75 - Step 5: Solve for x
x = 365,638,779,874.75/848,317.36 - Step 6: Final answer
x = 431,016.50
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1.5x scale
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.