Finding the Fourth Proportional to 511,456.26, 706,112.07 and 454,710.63
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Solution
The fourth proportional to 511,456.26, 706,112.07 and 454,710.63 is: 627,769.55
Step by Step Solution
- Step 1: Write the proportion equation
511,456.26 : 706,112.07 = 454,710.63 : x - Step 2: Convert to fraction form
511,456.26/706,112.07 = 454,710.63/x - Step 3: Cross multiply
511,456.26x = 706,112.07 × 454,710.63 - Step 4: Simplify right side
511,456.26x = 321,076,664,200.30 - Step 5: Solve for x
x = 321,076,664,200.30/511,456.26 - Step 6: Final answer
x = 627,769.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.