Finding the Fourth Proportional to 547,761.60, 821,757.60 and 310,910.40
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Solution
The fourth proportional to 547,761.60, 821,757.60 and 310,910.40 is: 466,430.99
Step by Step Solution
- Step 1: Write the proportion equation
547,761.60 : 821,757.60 = 310,910.40 : x - Step 2: Convert to fraction form
547,761.60/821,757.60 = 310,910.40/x - Step 3: Cross multiply
547,761.60x = 821,757.60 × 310,910.40 - Step 4: Simplify right side
547,761.60x = 255,492,984,119.04 - Step 5: Solve for x
x = 255,492,984,119.04/547,761.60 - Step 6: Final answer
x = 466,430.99
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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.