Finding the Fourth Proportional to 617,457.36, 851,274.36 and 445,231.20
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Solution
The fourth proportional to 617,457.36, 851,274.36 and 445,231.20 is: 613,830.09
Step by Step Solution
- Step 1: Write the proportion equation
617,457.36 : 851,274.36 = 445,231.20 : x - Step 2: Convert to fraction form
617,457.36/851,274.36 = 445,231.20/x - Step 3: Cross multiply
617,457.36x = 851,274.36 × 445,231.20 - Step 4: Simplify right side
617,457.36x = 379,013,904,832.03 - Step 5: Solve for x
x = 379,013,904,832.03/617,457.36 - Step 6: Final answer
x = 613,830.09
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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.