Finding the Fourth Proportional to 511,784.97, 766,161.14 and 379,260.06
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Solution
The fourth proportional to 511,784.97, 766,161.14 and 379,260.06 is: 567,766.42
Step by Step Solution
- Step 1: Write the proportion equation
511,784.97 : 766,161.14 = 379,260.06 : x - Step 2: Convert to fraction form
511,784.97/766,161.14 = 379,260.06/x - Step 3: Cross multiply
511,784.97x = 766,161.14 × 379,260.06 - Step 4: Simplify right side
511,784.97x = 290,574,318,029.77 - Step 5: Solve for x
x = 290,574,318,029.77/511,784.97 - Step 6: Final answer
x = 567,766.42
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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.