Finding the Fourth Proportional to 546,755.70, 820,133.55 and 511,763.70
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Solution
The fourth proportional to 546,755.70, 820,133.55 and 511,763.70 is: 767,645.55
Step by Step Solution
- Step 1: Write the proportion equation
546,755.70 : 820,133.55 = 511,763.70 : x - Step 2: Convert to fraction form
546,755.70/820,133.55 = 511,763.70/x - Step 3: Cross multiply
546,755.70x = 820,133.55 × 511,763.70 - Step 4: Simplify right side
546,755.70x = 419,714,580,042.14 - Step 5: Solve for x
x = 419,714,580,042.14/546,755.70 - Step 6: Final answer
x = 767,645.55
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Similar ratio
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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.