Finding the Fourth Proportional to 961,415.97, 1,323,717.09 and 846,616.70
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Solution
The fourth proportional to 961,415.97, 1,323,717.09 and 846,616.70 is: 1,165,656.72
Step by Step Solution
- Step 1: Write the proportion equation
961,415.97 : 1,323,717.09 = 846,616.70 : x - Step 2: Convert to fraction form
961,415.97/1,323,717.09 = 846,616.70/x - Step 3: Cross multiply
961,415.97x = 1,323,717.09 × 846,616.70 - Step 4: Simplify right side
961,415.97x = 1,120,680,987,850.82 - Step 5: Solve for x
x = 1,120,680,987,850.82/961,415.97 - Step 6: Final answer
x = 1,165,656.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.