Finding the Fourth Proportional to 745,228.91, 1,117,861.73 and 271,914.19
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Solution
The fourth proportional to 745,228.91, 1,117,861.73 and 271,914.19 is: 407,877.99
Step by Step Solution
- Step 1: Write the proportion equation
745,228.91 : 1,117,861.73 = 271,914.19 : x - Step 2: Convert to fraction form
745,228.91/1,117,861.73 = 271,914.19/x - Step 3: Cross multiply
745,228.91x = 1,117,861.73 × 271,914.19 - Step 4: Simplify right side
745,228.91x = 303,962,466,844.95 - Step 5: Solve for x
x = 303,962,466,844.95/745,228.91 - Step 6: Final answer
x = 407,877.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.