Finding the Fourth Proportional to 850,998, 1,276,715.76 and 318,526.68
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Solution
The fourth proportional to 850,998, 1,276,715.76 and 318,526.68 is: 477,871.90
Step by Step Solution
- Step 1: Write the proportion equation
850,998 : 1,276,715.76 = 318,526.68 : x - Step 2: Convert to fraction form
850,998/1,276,715.76 = 318,526.68/x - Step 3: Cross multiply
850,998x = 1,276,715.76 × 318,526.68 - Step 4: Simplify right side
850,998x = 406,668,032,336.48 - Step 5: Solve for x
x = 406,668,032,336.48/850,998 - Step 6: Final answer
x = 477,871.90
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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.