Finding the Fourth Proportional to 624,297.09, 861,533.97 and 366,121.40
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Solution
The fourth proportional to 624,297.09, 861,533.97 and 366,121.40 is: 505,249.86
Step by Step Solution
- Step 1: Write the proportion equation
624,297.09 : 861,533.97 = 366,121.40 : x - Step 2: Convert to fraction form
624,297.09/861,533.97 = 366,121.40/x - Step 3: Cross multiply
624,297.09x = 861,533.97 × 366,121.40 - Step 4: Simplify right side
624,297.09x = 315,426,020,334.72 - Step 5: Solve for x
x = 315,426,020,334.72/624,297.09 - Step 6: Final answer
x = 505,249.86
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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.