Finding the Fourth Proportional to 769,489.97, 1,062,577.05 and 479,596.28
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Solution
The fourth proportional to 769,489.97, 1,062,577.05 and 479,596.28 is: 662,267.24
Step by Step Solution
- Step 1: Write the proportion equation
769,489.97 : 1,062,577.05 = 479,596.28 : x - Step 2: Convert to fraction form
769,489.97/1,062,577.05 = 479,596.28/x - Step 3: Cross multiply
769,489.97x = 1,062,577.05 × 479,596.28 - Step 4: Simplify right side
769,489.97x = 509,607,997,995.39 - Step 5: Solve for x
x = 509,607,997,995.39/769,489.97 - Step 6: Final answer
x = 662,267.24
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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.