Finding the Fourth Proportional to 843,605.28, 1,265,539.14 and 274,853.96
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Solution
The fourth proportional to 843,605.28, 1,265,539.14 and 274,853.96 is: 412,323.69
Step by Step Solution
- Step 1: Write the proportion equation
843,605.28 : 1,265,539.14 = 274,853.96 : x - Step 2: Convert to fraction form
843,605.28/1,265,539.14 = 274,853.96/x - Step 3: Cross multiply
843,605.28x = 1,265,539.14 × 274,853.96 - Step 4: Simplify right side
843,605.28x = 347,838,442,582.07 - Step 5: Solve for x
x = 347,838,442,582.07/843,605.28 - Step 6: Final answer
x = 412,323.69
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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.