Finding the Fourth Proportional to 578,441.09, 866,531.67 and 398,494.73
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Solution
The fourth proportional to 578,441.09, 866,531.67 and 398,494.73 is: 596,963.65
Step by Step Solution
- Step 1: Write the proportion equation
578,441.09 : 866,531.67 = 398,494.73 : x - Step 2: Convert to fraction form
578,441.09/866,531.67 = 398,494.73/x - Step 3: Cross multiply
578,441.09x = 866,531.67 × 398,494.73 - Step 4: Simplify right side
578,441.09x = 345,308,299,540.44 - Step 5: Solve for x
x = 345,308,299,540.44/578,441.09 - Step 6: Final answer
x = 596,963.65
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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.