Finding the Fourth Proportional to 813,294.47, 1,122,467.42 and 469,066.14
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Solution
The fourth proportional to 813,294.47, 1,122,467.42 and 469,066.14 is: 647,381.09
Step by Step Solution
- Step 1: Write the proportion equation
813,294.47 : 1,122,467.42 = 469,066.14 : x - Step 2: Convert to fraction form
813,294.47/1,122,467.42 = 469,066.14/x - Step 3: Cross multiply
813,294.47x = 1,122,467.42 × 469,066.14 - Step 4: Simplify right side
813,294.47x = 526,511,461,147.82 - Step 5: Solve for x
x = 526,511,461,147.82/813,294.47 - Step 6: Final answer
x = 647,381.09
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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.