Finding the Fourth Proportional to 631,378.05, 947,060.60 and 364,969.05
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Solution
The fourth proportional to 631,378.05, 947,060.60 and 364,969.05 is: 547,449.83
Step by Step Solution
- Step 1: Write the proportion equation
631,378.05 : 947,060.60 = 364,969.05 : x - Step 2: Convert to fraction form
631,378.05/947,060.60 = 364,969.05/x - Step 3: Cross multiply
631,378.05x = 947,060.60 × 364,969.05 - Step 4: Simplify right side
631,378.05x = 345,647,805,649.59 - Step 5: Solve for x
x = 345,647,805,649.59/631,378.05 - Step 6: Final answer
x = 547,449.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.