Finding the Fourth Proportional to 544,511.09, 816,932.88 and 278,458.49
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Solution
The fourth proportional to 544,511.09, 816,932.88 and 278,458.49 is: 417,772.75
Step by Step Solution
- Step 1: Write the proportion equation
544,511.09 : 816,932.88 = 278,458.49 : x - Step 2: Convert to fraction form
544,511.09/816,932.88 = 278,458.49/x - Step 3: Cross multiply
544,511.09x = 816,932.88 × 278,458.49 - Step 4: Simplify right side
544,511.09x = 227,481,892,111.49 - Step 5: Solve for x
x = 227,481,892,111.49/544,511.09 - Step 6: Final answer
x = 417,772.75
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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.