Finding the Fourth Proportional to 449,896.88, 617,552.87 and 397,767.68
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Solution
The fourth proportional to 449,896.88, 617,552.87 and 397,767.68 is: 545,997.50
Step by Step Solution
- Step 1: Write the proportion equation
449,896.88 : 617,552.87 = 397,767.68 : x - Step 2: Convert to fraction form
449,896.88/617,552.87 = 397,767.68/x - Step 3: Cross multiply
449,896.88x = 617,552.87 × 397,767.68 - Step 4: Simplify right side
449,896.88x = 245,642,572,377.24 - Step 5: Solve for x
x = 245,642,572,377.24/449,896.88 - Step 6: Final answer
x = 545,997.50
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.