Finding the Fourth Proportional to 450,578.94, 675,122.04 and 316,805.64
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Solution
The fourth proportional to 450,578.94, 675,122.04 and 316,805.64 is: 474,683.68
Step by Step Solution
- Step 1: Write the proportion equation
450,578.94 : 675,122.04 = 316,805.64 : x - Step 2: Convert to fraction form
450,578.94/675,122.04 = 316,805.64/x - Step 3: Cross multiply
450,578.94x = 675,122.04 × 316,805.64 - Step 4: Simplify right side
450,578.94x = 213,882,469,960.31 - Step 5: Solve for x
x = 213,882,469,960.31/450,578.94 - Step 6: Final answer
x = 474,683.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.