Finding the Fourth Proportional to 494,411.58, 682,302.36 and 279,547.02
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Solution
The fourth proportional to 494,411.58, 682,302.36 and 279,547.02 is: 385,783.02
Step by Step Solution
- Step 1: Write the proportion equation
494,411.58 : 682,302.36 = 279,547.02 : x - Step 2: Convert to fraction form
494,411.58/682,302.36 = 279,547.02/x - Step 3: Cross multiply
494,411.58x = 682,302.36 × 279,547.02 - Step 4: Simplify right side
494,411.58x = 190,735,591,476.97 - Step 5: Solve for x
x = 190,735,591,476.97/494,411.58 - Step 6: Final answer
x = 385,783.02
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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.