Finding the Fourth Proportional to 563,647.26, 777,830.36 and 305,523.17
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Solution
The fourth proportional to 563,647.26, 777,830.36 and 305,523.17 is: 421,620.42
Step by Step Solution
- Step 1: Write the proportion equation
563,647.26 : 777,830.36 = 305,523.17 : x - Step 2: Convert to fraction form
563,647.26/777,830.36 = 305,523.17/x - Step 3: Cross multiply
563,647.26x = 777,830.36 × 305,523.17 - Step 4: Simplify right side
563,647.26x = 237,645,191,892.67 - Step 5: Solve for x
x = 237,645,191,892.67/563,647.26 - Step 6: Final answer
x = 421,620.42
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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.