Finding the Fourth Proportional to 644,403.97, 965,812.11 and 265,087.96
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Solution
The fourth proportional to 644,403.97, 965,812.11 and 265,087.96 is: 397,305.37
Step by Step Solution
- Step 1: Write the proportion equation
644,403.97 : 965,812.11 = 265,087.96 : x - Step 2: Convert to fraction form
644,403.97/965,812.11 = 265,087.96/x - Step 3: Cross multiply
644,403.97x = 965,812.11 × 265,087.96 - Step 4: Simplify right side
644,403.97x = 256,025,158,574.59 - Step 5: Solve for x
x = 256,025,158,574.59/644,403.97 - Step 6: Final answer
x = 397,305.37
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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.