Finding the Fourth Proportional to 719,352.48, 992,692.56 and 397,043.68
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Solution
The fourth proportional to 719,352.48, 992,692.56 and 397,043.68 is: 547,912.63
Step by Step Solution
- Step 1: Write the proportion equation
719,352.48 : 992,692.56 = 397,043.68 : x - Step 2: Convert to fraction form
719,352.48/992,692.56 = 397,043.68/x - Step 3: Cross multiply
719,352.48x = 992,692.56 × 397,043.68 - Step 4: Simplify right side
719,352.48x = 394,142,307,131.02 - Step 5: Solve for x
x = 394,142,307,131.02/719,352.48 - Step 6: Final answer
x = 547,912.63
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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.