Finding the Fourth Proportional to 850,866.60, 1,276,472.70 and 289,957.80
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Solution
The fourth proportional to 850,866.60, 1,276,472.70 and 289,957.80 is: 434,995.59
Step by Step Solution
- Step 1: Write the proportion equation
850,866.60 : 1,276,472.70 = 289,957.80 : x - Step 2: Convert to fraction form
850,866.60/1,276,472.70 = 289,957.80/x - Step 3: Cross multiply
850,866.60x = 1,276,472.70 × 289,957.80 - Step 4: Simplify right side
850,866.60x = 370,123,215,852.06 - Step 5: Solve for x
x = 370,123,215,852.06/850,866.60 - Step 6: Final answer
x = 434,995.59
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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.