Finding the Fourth Proportional to 790,616.58, 1,186,146.31 and 317,634.09
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Solution
The fourth proportional to 790,616.58, 1,186,146.31 and 317,634.09 is: 476,540.10
Step by Step Solution
- Step 1: Write the proportion equation
790,616.58 : 1,186,146.31 = 317,634.09 : x - Step 2: Convert to fraction form
790,616.58/1,186,146.31 = 317,634.09/x - Step 3: Cross multiply
790,616.58x = 1,186,146.31 × 317,634.09 - Step 4: Simplify right side
790,616.58x = 376,760,502,989.62 - Step 5: Solve for x
x = 376,760,502,989.62/790,616.58 - Step 6: Final answer
x = 476,540.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.