Finding the Fourth Proportional to 747,804.51, 1,121,854.71 and 274,493.97
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Solution
The fourth proportional to 747,804.51, 1,121,854.71 and 274,493.97 is: 411,795.26
Step by Step Solution
- Step 1: Write the proportion equation
747,804.51 : 1,121,854.71 = 274,493.97 : x - Step 2: Convert to fraction form
747,804.51/1,121,854.71 = 274,493.97/x - Step 3: Cross multiply
747,804.51x = 1,121,854.71 × 274,493.97 - Step 4: Simplify right side
747,804.51x = 307,942,353,111.10 - Step 5: Solve for x
x = 307,942,353,111.10/747,804.51 - Step 6: Final answer
x = 411,795.26
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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.