Finding the Fourth Proportional to 489,279.40, 733,919.10 and 414,629.80
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Solution
The fourth proportional to 489,279.40, 733,919.10 and 414,629.80 is: 621,944.70
Step by Step Solution
- Step 1: Write the proportion equation
489,279.40 : 733,919.10 = 414,629.80 : x - Step 2: Convert to fraction form
489,279.40/733,919.10 = 414,629.80/x - Step 3: Cross multiply
489,279.40x = 733,919.10 × 414,629.80 - Step 4: Simplify right side
489,279.40x = 304,304,729,649.18 - Step 5: Solve for x
x = 304,304,729,649.18/489,279.40 - Step 6: Final answer
x = 621,944.70
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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.