Finding the Fourth Proportional to 563,453.21, 777,563.93 and 305,337.32
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Solution
The fourth proportional to 563,453.21, 777,563.93 and 305,337.32 is: 421,364.69
Step by Step Solution
- Step 1: Write the proportion equation
563,453.21 : 777,563.93 = 305,337.32 : x - Step 2: Convert to fraction form
563,453.21/777,563.93 = 305,337.32/x - Step 3: Cross multiply
563,453.21x = 777,563.93 × 305,337.32 - Step 4: Simplify right side
563,453.21x = 237,419,287,634.39 - Step 5: Solve for x
x = 237,419,287,634.39/563,453.21 - Step 6: Final answer
x = 421,364.69
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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.