Finding the Fourth Proportional to 776,245.82, 1,163,974.91 and 355,160.84
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Solution
The fourth proportional to 776,245.82, 1,163,974.91 and 355,160.84 is: 532,561.07
Step by Step Solution
- Step 1: Write the proportion equation
776,245.82 : 1,163,974.91 = 355,160.84 : x - Step 2: Convert to fraction form
776,245.82/1,163,974.91 = 355,160.84/x - Step 3: Cross multiply
776,245.82x = 1,163,974.91 × 355,160.84 - Step 4: Simplify right side
776,245.82x = 413,398,299,178.85 - Step 5: Solve for x
x = 413,398,299,178.85/776,245.82 - Step 6: Final answer
x = 532,561.07
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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.