Finding the Fourth Proportional to 547,612.80, 821,937.60 and 337,660.80
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Solution
The fourth proportional to 547,612.80, 821,937.60 and 337,660.80 is: 506,810.85
Step by Step Solution
- Step 1: Write the proportion equation
547,612.80 : 821,937.60 = 337,660.80 : x - Step 2: Convert to fraction form
547,612.80/821,937.60 = 337,660.80/x - Step 3: Cross multiply
547,612.80x = 821,937.60 × 337,660.80 - Step 4: Simplify right side
547,612.80x = 277,536,107,566.08 - Step 5: Solve for x
x = 277,536,107,566.08/547,612.80 - Step 6: Final answer
x = 506,810.85
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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.