Finding the Fourth Proportional to 730,466.73, 1,007,969.27 and 501,220.53
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Solution
The fourth proportional to 730,466.73, 1,007,969.27 and 501,220.53 is: 691,632.99
Step by Step Solution
- Step 1: Write the proportion equation
730,466.73 : 1,007,969.27 = 501,220.53 : x - Step 2: Convert to fraction form
730,466.73/1,007,969.27 = 501,220.53/x - Step 3: Cross multiply
730,466.73x = 1,007,969.27 × 501,220.53 - Step 4: Simplify right side
730,466.73x = 505,214,889,227.01 - Step 5: Solve for x
x = 505,214,889,227.01/730,466.73 - Step 6: Final answer
x = 691,632.99
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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.