Finding the Fourth Proportional to 1,049,458.05, 1,574,236.26 and 339,541.65
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Solution
The fourth proportional to 1,049,458.05, 1,574,236.26 and 339,541.65 is: 509,328.39
Step by Step Solution
- Step 1: Write the proportion equation
1,049,458.05 : 1,574,236.26 = 339,541.65 : x - Step 2: Convert to fraction form
1,049,458.05/1,574,236.26 = 339,541.65/x - Step 3: Cross multiply
1,049,458.05x = 1,574,236.26 × 339,541.65 - Step 4: Simplify right side
1,049,458.05x = 534,518,777,210.23 - Step 5: Solve for x
x = 534,518,777,210.23/1,049,458.05 - Step 6: Final answer
x = 509,328.39
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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.