Finding the Fourth Proportional to 653,752.10, 902,250.94 and 395,771.18
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Solution
The fourth proportional to 653,752.10, 902,250.94 and 395,771.18 is: 546,208.45
Step by Step Solution
- Step 1: Write the proportion equation
653,752.10 : 902,250.94 = 395,771.18 : x - Step 2: Convert to fraction form
653,752.10/902,250.94 = 395,771.18/x - Step 3: Cross multiply
653,752.10x = 902,250.94 × 395,771.18 - Step 4: Simplify right side
653,752.10x = 357,084,919,179.91 - Step 5: Solve for x
x = 357,084,919,179.91/653,752.10 - Step 6: Final answer
x = 546,208.45
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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.