Finding the Fourth Proportional to 674,451.26, 1,012,175.79 and 319,466.07
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Solution
The fourth proportional to 674,451.26, 1,012,175.79 and 319,466.07 is: 479,435.42
Step by Step Solution
- Step 1: Write the proportion equation
674,451.26 : 1,012,175.79 = 319,466.07 : x - Step 2: Convert to fraction form
674,451.26/1,012,175.79 = 319,466.07/x - Step 3: Cross multiply
674,451.26x = 1,012,175.79 × 319,466.07 - Step 4: Simplify right side
674,451.26x = 323,355,821,780.45 - Step 5: Solve for x
x = 323,355,821,780.45/674,451.26 - Step 6: Final answer
x = 479,435.42
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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.