Finding the Fourth Proportional to 850,951.80, 1,276,427.70 and 768,007.80
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Solution
The fourth proportional to 850,951.80, 1,276,427.70 and 768,007.80 is: 1,152,011.70
Step by Step Solution
- Step 1: Write the proportion equation
850,951.80 : 1,276,427.70 = 768,007.80 : x - Step 2: Convert to fraction form
850,951.80/1,276,427.70 = 768,007.80/x - Step 3: Cross multiply
850,951.80x = 1,276,427.70 × 768,007.80 - Step 4: Simplify right side
850,951.80x = 980,306,429,736.06 - Step 5: Solve for x
x = 980,306,429,736.06/850,951.80 - Step 6: Final answer
x = 1,152,011.70
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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.