Finding the Fourth Proportional to 623,125.96, 859,912.82 and 354,853.96
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Solution
The fourth proportional to 623,125.96, 859,912.82 and 354,853.96 is: 489,697.89
Step by Step Solution
- Step 1: Write the proportion equation
623,125.96 : 859,912.82 = 354,853.96 : x - Step 2: Convert to fraction form
623,125.96/859,912.82 = 354,853.96/x - Step 3: Cross multiply
623,125.96x = 859,912.82 × 354,853.96 - Step 4: Simplify right side
623,125.96x = 305,143,469,431.77 - Step 5: Solve for x
x = 305,143,469,431.77/623,125.96 - Step 6: Final answer
x = 489,697.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.