Finding the Fourth Proportional to 863,370.23, 1,294,316.82 and 331,273.13
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Solution
The fourth proportional to 863,370.23, 1,294,316.82 and 331,273.13 is: 496,626.32
Step by Step Solution
- Step 1: Write the proportion equation
863,370.23 : 1,294,316.82 = 331,273.13 : x - Step 2: Convert to fraction form
863,370.23/1,294,316.82 = 331,273.13/x - Step 3: Cross multiply
863,370.23x = 1,294,316.82 × 331,273.13 - Step 4: Simplify right side
863,370.23x = 428,772,377,701.46 - Step 5: Solve for x
x = 428,772,377,701.46/863,370.23 - Step 6: Final answer
x = 496,626.32
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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.