Finding the Fourth Proportional to 949,891.02, 1,310,810.24 and 520,163.75
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Solution
The fourth proportional to 949,891.02, 1,310,810.24 and 520,163.75 is: 717,804.41
Step by Step Solution
- Step 1: Write the proportion equation
949,891.02 : 1,310,810.24 = 520,163.75 : x - Step 2: Convert to fraction form
949,891.02/1,310,810.24 = 520,163.75/x - Step 3: Cross multiply
949,891.02x = 1,310,810.24 × 520,163.75 - Step 4: Simplify right side
949,891.02x = 681,835,960,821.93 - Step 5: Solve for x
x = 681,835,960,821.93/949,891.02 - Step 6: Final answer
x = 717,804.41
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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.