Finding the Fourth Proportional to 743,695.41, 1,026,310.73 and 404,163.93
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Solution
The fourth proportional to 743,695.41, 1,026,310.73 and 404,163.93 is: 557,752.23
Step by Step Solution
- Step 1: Write the proportion equation
743,695.41 : 1,026,310.73 = 404,163.93 : x - Step 2: Convert to fraction form
743,695.41/1,026,310.73 = 404,163.93/x - Step 3: Cross multiply
743,695.41x = 1,026,310.73 × 404,163.93 - Step 4: Simplify right side
743,695.41x = 414,797,776,017.15 - Step 5: Solve for x
x = 414,797,776,017.15/743,695.41 - Step 6: Final answer
x = 557,752.23
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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.