Finding the Fourth Proportional to 547,279.80, 820,919.70 and 494,135.70
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Solution
The fourth proportional to 547,279.80, 820,919.70 and 494,135.70 is: 741,203.55
Step by Step Solution
- Step 1: Write the proportion equation
547,279.80 : 820,919.70 = 494,135.70 : x - Step 2: Convert to fraction form
547,279.80/820,919.70 = 494,135.70/x - Step 3: Cross multiply
547,279.80x = 820,919.70 × 494,135.70 - Step 4: Simplify right side
547,279.80x = 405,645,730,603.29 - Step 5: Solve for x
x = 405,645,730,603.29/547,279.80 - Step 6: Final answer
x = 741,203.55
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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.