Finding the Fourth Proportional to 850,988, 1,276,700.70 and 318,516.68
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Solution
The fourth proportional to 850,988, 1,276,700.70 and 318,516.68 is: 477,856.88
Step by Step Solution
- Step 1: Write the proportion equation
850,988 : 1,276,700.70 = 318,516.68 : x - Step 2: Convert to fraction form
850,988/1,276,700.70 = 318,516.68/x - Step 3: Cross multiply
850,988x = 1,276,700.70 × 318,516.68 - Step 4: Simplify right side
850,988x = 406,650,468,317.68 - Step 5: Solve for x
x = 406,650,468,317.68/850,988 - Step 6: Final answer
x = 477,856.88
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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.