Finding the Fourth Proportional to 719,163.74, 1,079,227.20 and 298,440.02
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Solution
The fourth proportional to 719,163.74, 1,079,227.20 and 298,440.02 is: 447,859.88
Step by Step Solution
- Step 1: Write the proportion equation
719,163.74 : 1,079,227.20 = 298,440.02 : x - Step 2: Convert to fraction form
719,163.74/1,079,227.20 = 298,440.02/x - Step 3: Cross multiply
719,163.74x = 1,079,227.20 × 298,440.02 - Step 4: Simplify right side
719,163.74x = 322,084,587,152.54 - Step 5: Solve for x
x = 322,084,587,152.54/719,163.74 - Step 6: Final answer
x = 447,859.88
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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.