Finding the Fourth Proportional to 850,737.12, 1,276,327.20 and 318,299.76
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Solution
The fourth proportional to 850,737.12, 1,276,327.20 and 318,299.76 is: 477,532.52
Step by Step Solution
- Step 1: Write the proportion equation
850,737.12 : 1,276,327.20 = 318,299.76 : x - Step 2: Convert to fraction form
850,737.12/1,276,327.20 = 318,299.76/x - Step 3: Cross multiply
850,737.12x = 1,276,327.20 × 318,299.76 - Step 4: Simplify right side
850,737.12x = 406,254,641,441.47 - Step 5: Solve for x
x = 406,254,641,441.47/850,737.12 - Step 6: Final answer
x = 477,532.52
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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.