Finding the Fourth Proportional to 531,106.26, 796,894.88 and 278,326.66
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Solution
The fourth proportional to 531,106.26, 796,894.88 and 278,326.66 is: 417,613.39
Step by Step Solution
- Step 1: Write the proportion equation
531,106.26 : 796,894.88 = 278,326.66 : x - Step 2: Convert to fraction form
531,106.26/796,894.88 = 278,326.66/x - Step 3: Cross multiply
531,106.26x = 796,894.88 × 278,326.66 - Step 4: Simplify right side
531,106.26x = 221,797,086,937.63 - Step 5: Solve for x
x = 221,797,086,937.63/531,106.26 - Step 6: Final answer
x = 417,613.39
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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.