Finding the Fourth Proportional to 743,780.26, 1,026,409.08 and 404,246.08
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Solution
The fourth proportional to 743,780.26, 1,026,409.08 and 404,246.08 is: 557,855.42
Step by Step Solution
- Step 1: Write the proportion equation
743,780.26 : 1,026,409.08 = 404,246.08 : x - Step 2: Convert to fraction form
743,780.26/1,026,409.08 = 404,246.08/x - Step 3: Cross multiply
743,780.26x = 1,026,409.08 × 404,246.08 - Step 4: Simplify right side
743,780.26x = 414,921,847,066.41 - Step 5: Solve for x
x = 414,921,847,066.41/743,780.26 - Step 6: Final answer
x = 557,855.42
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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.