Finding the Fourth Proportional to 873,171.84, 1,204,975.41 and 491,198.91
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Solution
The fourth proportional to 873,171.84, 1,204,975.41 and 491,198.91 is: 677,853.52
Step by Step Solution
- Step 1: Write the proportion equation
873,171.84 : 1,204,975.41 = 491,198.91 : x - Step 2: Convert to fraction form
873,171.84/1,204,975.41 = 491,198.91/x - Step 3: Cross multiply
873,171.84x = 1,204,975.41 × 491,198.91 - Step 4: Simplify right side
873,171.84x = 591,882,607,968.80 - Step 5: Solve for x
x = 591,882,607,968.80/873,171.84 - Step 6: Final answer
x = 677,853.52
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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.