Finding the Fourth Proportional to 659,649.49, 910,318.04 and 357,843.49
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Solution
The fourth proportional to 659,649.49, 910,318.04 and 357,843.49 is: 493,824.96
Step by Step Solution
- Step 1: Write the proportion equation
659,649.49 : 910,318.04 = 357,843.49 : x - Step 2: Convert to fraction form
659,649.49/910,318.04 = 357,843.49/x - Step 3: Cross multiply
659,649.49x = 910,318.04 × 357,843.49 - Step 4: Simplify right side
659,649.49x = 325,751,384,443.56 - Step 5: Solve for x
x = 325,751,384,443.56/659,649.49 - Step 6: Final answer
x = 493,824.96
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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.