Finding the Fourth Proportional to 743,779.26, 1,026,407.70 and 404,245.08
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Solution
The fourth proportional to 743,779.26, 1,026,407.70 and 404,245.08 is: 557,854.04
Step by Step Solution
- Step 1: Write the proportion equation
743,779.26 : 1,026,407.70 = 404,245.08 : x - Step 2: Convert to fraction form
743,779.26/1,026,407.70 = 404,245.08/x - Step 3: Cross multiply
743,779.26x = 1,026,407.70 × 404,245.08 - Step 4: Simplify right side
743,779.26x = 414,920,262,799.12 - Step 5: Solve for x
x = 414,920,262,799.12/743,779.26 - Step 6: Final answer
x = 557,854.04
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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.