Finding the Fourth Proportional to 764,629.88, 1,055,232.97 and 425,120.00
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Solution
The fourth proportional to 764,629.88, 1,055,232.97 and 425,120.00 is: 586,689.91
Step by Step Solution
- Step 1: Write the proportion equation
764,629.88 : 1,055,232.97 = 425,120.00 : x - Step 2: Convert to fraction form
764,629.88/1,055,232.97 = 425,120.00/x - Step 3: Cross multiply
764,629.88x = 1,055,232.97 × 425,120.00 - Step 4: Simplify right side
764,629.88x = 448,600,633,867.44 - Step 5: Solve for x
x = 448,600,633,867.44/764,629.88 - Step 6: Final answer
x = 586,689.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.