Finding the Fourth Proportional to 547,729.20, 821,593.80 and 252,817.20
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Solution
The fourth proportional to 547,729.20, 821,593.80 and 252,817.20 is: 379,225.80
Step by Step Solution
- Step 1: Write the proportion equation
547,729.20 : 821,593.80 = 252,817.20 : x - Step 2: Convert to fraction form
547,729.20/821,593.80 = 252,817.20/x - Step 3: Cross multiply
547,729.20x = 821,593.80 × 252,817.20 - Step 4: Simplify right side
547,729.20x = 207,713,044,053.36 - Step 5: Solve for x
x = 207,713,044,053.36/547,729.20 - Step 6: Final answer
x = 379,225.80
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1.5x scale
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.