Finding the Fourth Proportional to 850,989.38, 1,276,702.76 and 318,518.06
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Solution
The fourth proportional to 850,989.38, 1,276,702.76 and 318,518.06 is: 477,858.94
Step by Step Solution
- Step 1: Write the proportion equation
850,989.38 : 1,276,702.76 = 318,518.06 : x - Step 2: Convert to fraction form
850,989.38/1,276,702.76 = 318,518.06/x - Step 3: Cross multiply
850,989.38x = 1,276,702.76 × 318,518.06 - Step 4: Simplify right side
850,989.38x = 406,652,880,724.63 - Step 5: Solve for x
x = 406,652,880,724.63/850,989.38 - Step 6: Final answer
x = 477,858.94
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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.