Finding the Fourth Proportional to 627,725.35, 866,257.36 and 355,844.53
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Solution
The fourth proportional to 627,725.35, 866,257.36 and 355,844.53 is: 491,063.40
Step by Step Solution
- Step 1: Write the proportion equation
627,725.35 : 866,257.36 = 355,844.53 : x - Step 2: Convert to fraction form
627,725.35/866,257.36 = 355,844.53/x - Step 3: Cross multiply
627,725.35x = 866,257.36 × 355,844.53 - Step 4: Simplify right side
627,725.35x = 308,252,943,128.24 - Step 5: Solve for x
x = 308,252,943,128.24/627,725.35 - Step 6: Final answer
x = 491,063.40
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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.