Finding the Fourth Proportional to 804,232.80, 1,207,029.60 and 331,257.60
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Solution
The fourth proportional to 804,232.80, 1,207,029.60 and 331,257.60 is: 497,166.65
Step by Step Solution
- Step 1: Write the proportion equation
804,232.80 : 1,207,029.60 = 331,257.60 : x - Step 2: Convert to fraction form
804,232.80/1,207,029.60 = 331,257.60/x - Step 3: Cross multiply
804,232.80x = 1,207,029.60 × 331,257.60 - Step 4: Simplify right side
804,232.80x = 399,837,728,424.96 - Step 5: Solve for x
x = 399,837,728,424.96/804,232.80 - Step 6: Final answer
x = 497,166.65
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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.