Finding the Fourth Proportional to 719,460.23, 992,829.06 and 397,163.39
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Solution
The fourth proportional to 719,460.23, 992,829.06 and 397,163.39 is: 548,071.09
Step by Step Solution
- Step 1: Write the proportion equation
719,460.23 : 992,829.06 = 397,163.39 : x - Step 2: Convert to fraction form
719,460.23/992,829.06 = 397,163.39/x - Step 3: Cross multiply
719,460.23x = 992,829.06 × 397,163.39 - Step 4: Simplify right side
719,460.23x = 394,315,350,195.97 - Step 5: Solve for x
x = 394,315,350,195.97/719,460.23 - Step 6: Final answer
x = 548,071.09
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1.5x scale
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.