Finding the Fourth Proportional to 804,912.15, 1,207,368.23 and 744,086.55
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Solution
The fourth proportional to 804,912.15, 1,207,368.23 and 744,086.55 is: 1,116,129.83
Step by Step Solution
- Step 1: Write the proportion equation
804,912.15 : 1,207,368.23 = 744,086.55 : x - Step 2: Convert to fraction form
804,912.15/1,207,368.23 = 744,086.55/x - Step 3: Cross multiply
804,912.15x = 1,207,368.23 × 744,086.55 - Step 4: Simplify right side
804,912.15x = 898,386,460,840.31 - Step 5: Solve for x
x = 898,386,460,840.31/804,912.15 - Step 6: Final answer
x = 1,116,129.83
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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.