Finding the Fourth Proportional to 892,914.96, 1,339,368.80 and 324,294.96
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Solution
The fourth proportional to 892,914.96, 1,339,368.80 and 324,294.96 is: 486,441.12
Step by Step Solution
- Step 1: Write the proportion equation
892,914.96 : 1,339,368.80 = 324,294.96 : x - Step 2: Convert to fraction form
892,914.96/1,339,368.80 = 324,294.96/x - Step 3: Cross multiply
892,914.96x = 1,339,368.80 × 324,294.96 - Step 4: Simplify right side
892,914.96x = 434,350,549,799.77 - Step 5: Solve for x
x = 434,350,549,799.77/892,914.96 - Step 6: Final answer
x = 486,441.12
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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.