Finding the Fourth Proportional to 778,974.80, 1,093,714 and 778,974.80
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Solution
The fourth proportional to 778,974.80, 1,093,714 and 778,974.80 is: 1,093,714
Step by Step Solution
- Step 1: Write the proportion equation
778,974.80 : 1,093,714 = 778,974.80 : x - Step 2: Convert to fraction form
778,974.80/1,093,714 = 778,974.80/x - Step 3: Cross multiply
778,974.80x = 1,093,714 × 778,974.80 - Step 4: Simplify right side
778,974.80x = 851,975,644,407.20 - Step 5: Solve for x
x = 851,975,644,407.20/778,974.80 - Step 6: Final answer
x = 1,093,714
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.