Finding the Fourth Proportional to 806,721.63, 1,210,092.17 and 245,760.99
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Solution
The fourth proportional to 806,721.63, 1,210,092.17 and 245,760.99 is: 368,644.45
Step by Step Solution
- Step 1: Write the proportion equation
806,721.63 : 1,210,092.17 = 245,760.99 : x - Step 2: Convert to fraction form
806,721.63/1,210,092.17 = 245,760.99/x - Step 3: Cross multiply
806,721.63x = 1,210,092.17 × 245,760.99 - Step 4: Simplify right side
806,721.63x = 297,393,448,461.64 - Step 5: Solve for x
x = 297,393,448,461.64/806,721.63 - Step 6: Final answer
x = 368,644.45
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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.