Finding the Fourth Proportional to 547,327.62, 821,251.35 and 379,106.82
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Solution
The fourth proportional to 547,327.62, 821,251.35 and 379,106.82 is: 568,840.26
Step by Step Solution
- Step 1: Write the proportion equation
547,327.62 : 821,251.35 = 379,106.82 : x - Step 2: Convert to fraction form
547,327.62/821,251.35 = 379,106.82/x - Step 3: Cross multiply
547,327.62x = 821,251.35 × 379,106.82 - Step 4: Simplify right side
547,327.62x = 311,341,987,719.21 - Step 5: Solve for x
x = 311,341,987,719.21/547,327.62 - Step 6: Final answer
x = 568,840.26
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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.