Finding the Fourth Proportional to 910,604.48, 1,365,856.49 and 279,518.09
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Solution
The fourth proportional to 910,604.48, 1,365,856.49 and 279,518.09 is: 419,261.71
Step by Step Solution
- Step 1: Write the proportion equation
910,604.48 : 1,365,856.49 = 279,518.09 : x - Step 2: Convert to fraction form
910,604.48/1,365,856.49 = 279,518.09/x - Step 3: Cross multiply
910,604.48x = 1,365,856.49 × 279,518.09 - Step 4: Simplify right side
910,604.48x = 381,781,591,168.42 - Step 5: Solve for x
x = 381,781,591,168.42/910,604.48 - Step 6: Final answer
x = 419,261.71
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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.