Finding the Fourth Proportional to 628,266.38, 866,941.99 and 356,247.32
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Solution
The fourth proportional to 628,266.38, 866,941.99 and 356,247.32 is: 491,584.09
Step by Step Solution
- Step 1: Write the proportion equation
628,266.38 : 866,941.99 = 356,247.32 : x - Step 2: Convert to fraction form
628,266.38/866,941.99 = 356,247.32/x - Step 3: Cross multiply
628,266.38x = 866,941.99 × 356,247.32 - Step 4: Simplify right side
628,266.38x = 308,845,755,307.64 - Step 5: Solve for x
x = 308,845,755,307.64/628,266.38 - Step 6: Final answer
x = 491,584.09
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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.