Finding the Fourth Proportional to 851,035.68, 1,276,585.92 and 318,500.64
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Solution
The fourth proportional to 851,035.68, 1,276,585.92 and 318,500.64 is: 477,763.09
Step by Step Solution
- Step 1: Write the proportion equation
851,035.68 : 1,276,585.92 = 318,500.64 : x - Step 2: Convert to fraction form
851,035.68/1,276,585.92 = 318,500.64/x - Step 3: Cross multiply
851,035.68x = 1,276,585.92 × 318,500.64 - Step 4: Simplify right side
851,035.68x = 406,593,432,534.99 - Step 5: Solve for x
x = 406,593,432,534.99/851,035.68 - Step 6: Final answer
x = 477,763.09
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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.