Finding the Fourth Proportional to 636,207.19, 877,943.62 and 349,725.20
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Solution
The fourth proportional to 636,207.19, 877,943.62 and 349,725.20 is: 482,608.52
Step by Step Solution
- Step 1: Write the proportion equation
636,207.19 : 877,943.62 = 349,725.20 : x - Step 2: Convert to fraction form
636,207.19/877,943.62 = 349,725.20/x - Step 3: Cross multiply
636,207.19x = 877,943.62 × 349,725.20 - Step 4: Simplify right side
636,207.19x = 307,039,008,093.22 - Step 5: Solve for x
x = 307,039,008,093.22/636,207.19 - Step 6: Final answer
x = 482,608.52
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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.