Finding the Fourth Proportional to 809,122.24, 1,213,283.92 and 248,021.44
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Solution
The fourth proportional to 809,122.24, 1,213,283.92 and 248,021.44 is: 371,909.72
Step by Step Solution
- Step 1: Write the proportion equation
809,122.24 : 1,213,283.92 = 248,021.44 : x - Step 2: Convert to fraction form
809,122.24/1,213,283.92 = 248,021.44/x - Step 3: Cross multiply
809,122.24x = 1,213,283.92 × 248,021.44 - Step 4: Simplify right side
809,122.24x = 300,920,424,967.25 - Step 5: Solve for x
x = 300,920,424,967.25/809,122.24 - Step 6: Final answer
x = 371,909.72
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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.