Finding the Fourth Proportional to 776,189.97, 1,163,891.30 and 355,104.99
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Solution
The fourth proportional to 776,189.97, 1,163,891.30 and 355,104.99 is: 532,477.39
Step by Step Solution
- Step 1: Write the proportion equation
776,189.97 : 1,163,891.30 = 355,104.99 : x - Step 2: Convert to fraction form
776,189.97/1,163,891.30 = 355,104.99/x - Step 3: Cross multiply
776,189.97x = 1,163,891.30 × 355,104.99 - Step 4: Simplify right side
776,189.97x = 413,303,606,672.06 - Step 5: Solve for x
x = 413,303,606,672.06/776,189.97 - Step 6: Final answer
x = 532,477.39
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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.