Finding the Fourth Proportional to 818,368.31, 1,226,765.11 and 419,197.07
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Solution
The fourth proportional to 818,368.31, 1,226,765.11 and 419,197.07 is: 628,392.29
Step by Step Solution
- Step 1: Write the proportion equation
818,368.31 : 1,226,765.11 = 419,197.07 : x - Step 2: Convert to fraction form
818,368.31/1,226,765.11 = 419,197.07/x - Step 3: Cross multiply
818,368.31x = 1,226,765.11 × 419,197.07 - Step 4: Simplify right side
818,368.31x = 514,256,339,690.23 - Step 5: Solve for x
x = 514,256,339,690.23/818,368.31 - Step 6: Final answer
x = 628,392.29
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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.