Finding the Fourth Proportional to 864,453.26, 1,295,793.09 and 331,830.86
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Solution
The fourth proportional to 864,453.26, 1,295,793.09 and 331,830.86 is: 497,405.88
Step by Step Solution
- Step 1: Write the proportion equation
864,453.26 : 1,295,793.09 = 331,830.86 : x - Step 2: Convert to fraction form
864,453.26/1,295,793.09 = 331,830.86/x - Step 3: Cross multiply
864,453.26x = 1,295,793.09 × 331,830.86 - Step 4: Simplify right side
864,453.26x = 429,984,135,436.76 - Step 5: Solve for x
x = 429,984,135,436.76/864,453.26 - Step 6: Final answer
x = 497,405.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.