Finding the Fourth Proportional to 982,361.86, 1,355,163.09 and 574,197.04
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Solution
The fourth proportional to 982,361.86, 1,355,163.09 and 574,197.04 is: 792,101.84
Step by Step Solution
- Step 1: Write the proportion equation
982,361.86 : 1,355,163.09 = 574,197.04 : x - Step 2: Convert to fraction form
982,361.86/1,355,163.09 = 574,197.04/x - Step 3: Cross multiply
982,361.86x = 1,355,163.09 × 574,197.04 - Step 4: Simplify right side
982,361.86x = 778,130,634,995.25 - Step 5: Solve for x
x = 778,130,634,995.25/982,361.86 - Step 6: Final answer
x = 792,101.84
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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.