Finding the Fourth Proportional to 734,767.91, 1,102,163.54 and 279,366.08
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Solution
The fourth proportional to 734,767.91, 1,102,163.54 and 279,366.08 is: 419,053.55
Step by Step Solution
- Step 1: Write the proportion equation
734,767.91 : 1,102,163.54 = 279,366.08 : x - Step 2: Convert to fraction form
734,767.91/1,102,163.54 = 279,366.08/x - Step 3: Cross multiply
734,767.91x = 1,102,163.54 × 279,366.08 - Step 4: Simplify right side
734,767.91x = 307,907,100,781.08 - Step 5: Solve for x
x = 307,907,100,781.08/734,767.91 - Step 6: Final answer
x = 419,053.55
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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.