Finding the Fourth Proportional to 774,054.18, 1,161,217.35 and 353,372.58
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Solution
The fourth proportional to 774,054.18, 1,161,217.35 and 353,372.58 is: 530,120.99
Step by Step Solution
- Step 1: Write the proportion equation
774,054.18 : 1,161,217.35 = 353,372.58 : x - Step 2: Convert to fraction form
774,054.18/1,161,217.35 = 353,372.58/x - Step 3: Cross multiply
774,054.18x = 1,161,217.35 × 353,372.58 - Step 4: Simplify right side
774,054.18x = 410,342,370,910.26 - Step 5: Solve for x
x = 410,342,370,910.26/774,054.18 - Step 6: Final answer
x = 530,120.99
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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.