Finding the Fourth Proportional to 850,787.76, 1,276,206.39 and 318,207.18
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Solution
The fourth proportional to 850,787.76, 1,276,206.39 and 318,207.18 is: 477,320.03
Step by Step Solution
- Step 1: Write the proportion equation
850,787.76 : 1,276,206.39 = 318,207.18 : x - Step 2: Convert to fraction form
850,787.76/1,276,206.39 = 318,207.18/x - Step 3: Cross multiply
850,787.76x = 1,276,206.39 × 318,207.18 - Step 4: Simplify right side
850,787.76x = 406,098,036,459.88 - Step 5: Solve for x
x = 406,098,036,459.88/850,787.76 - Step 6: Final answer
x = 477,320.03
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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.