Finding the Fourth Proportional to 764,816.00, 1,055,476.20 and 420,683.95
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Solution
The fourth proportional to 764,816.00, 1,055,476.20 and 420,683.95 is: 580,560.42
Step by Step Solution
- Step 1: Write the proportion equation
764,816.00 : 1,055,476.20 = 420,683.95 : x - Step 2: Convert to fraction form
764,816.00/1,055,476.20 = 420,683.95/x - Step 3: Cross multiply
764,816.00x = 1,055,476.20 × 420,683.95 - Step 4: Simplify right side
764,816.00x = 444,021,898,804.19 - Step 5: Solve for x
x = 444,021,898,804.19/764,816.00 - Step 6: Final answer
x = 580,560.42
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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.