Finding the Fourth Proportional to 769,796.36, 1,062,275.91 and 425,612.24
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Solution
The fourth proportional to 769,796.36, 1,062,275.91 and 425,612.24 is: 587,321.08
Step by Step Solution
- Step 1: Write the proportion equation
769,796.36 : 1,062,275.91 = 425,612.24 : x - Step 2: Convert to fraction form
769,796.36/1,062,275.91 = 425,612.24/x - Step 3: Cross multiply
769,796.36x = 1,062,275.91 × 425,612.24 - Step 4: Simplify right side
769,796.36x = 452,117,629,553.14 - Step 5: Solve for x
x = 452,117,629,553.14/769,796.36 - Step 6: Final answer
x = 587,321.08
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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.