Finding the Fourth Proportional to 850,788.28, 1,276,207.16 and 318,207.68
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Solution
The fourth proportional to 850,788.28, 1,276,207.16 and 318,207.68 is: 477,320.77
Step by Step Solution
- Step 1: Write the proportion equation
850,788.28 : 1,276,207.16 = 318,207.68 : x - Step 2: Convert to fraction form
850,788.28/1,276,207.16 = 318,207.68/x - Step 3: Cross multiply
850,788.28x = 1,276,207.16 × 318,207.68 - Step 4: Simplify right side
850,788.28x = 406,098,919,582.99 - Step 5: Solve for x
x = 406,098,919,582.99/850,788.28 - Step 6: Final answer
x = 477,320.77
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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.