Finding the Fourth Proportional to 790,775.11, 1,091,226.49 and 468,514.99
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Solution
The fourth proportional to 790,775.11, 1,091,226.49 and 468,514.99 is: 646,525.11
Step by Step Solution
- Step 1: Write the proportion equation
790,775.11 : 1,091,226.49 = 468,514.99 : x - Step 2: Convert to fraction form
790,775.11/1,091,226.49 = 468,514.99/x - Step 3: Cross multiply
790,775.11x = 1,091,226.49 × 468,514.99 - Step 4: Simplify right side
790,775.11x = 511,255,968,050.09 - Step 5: Solve for x
x = 511,255,968,050.09/790,775.11 - Step 6: Final answer
x = 646,525.11
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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.