Finding the Fourth Proportional to 874,343.24, 1,206,570.02 and 492,361.80
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Solution
The fourth proportional to 874,343.24, 1,206,570.02 and 492,361.80 is: 679,445.97
Step by Step Solution
- Step 1: Write the proportion equation
874,343.24 : 1,206,570.02 = 492,361.80 : x - Step 2: Convert to fraction form
874,343.24/1,206,570.02 = 492,361.80/x - Step 3: Cross multiply
874,343.24x = 1,206,570.02 × 492,361.80 - Step 4: Simplify right side
874,343.24x = 594,068,986,873.24 - Step 5: Solve for x
x = 594,068,986,873.24/874,343.24 - Step 6: Final answer
x = 679,445.97
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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.