Finding the Fourth Proportional to 648,877.44, 895,297.68 and 394,213.44
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Solution
The fourth proportional to 648,877.44, 895,297.68 and 394,213.44 is: 543,921.48
Step by Step Solution
- Step 1: Write the proportion equation
648,877.44 : 895,297.68 = 394,213.44 : x - Step 2: Convert to fraction form
648,877.44/895,297.68 = 394,213.44/x - Step 3: Cross multiply
648,877.44x = 895,297.68 × 394,213.44 - Step 4: Simplify right side
648,877.44x = 352,938,378,256.82 - Step 5: Solve for x
x = 352,938,378,256.82/648,877.44 - Step 6: Final answer
x = 543,921.48
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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.