Finding the Fourth Proportional to 916,192.24, 1,264,497.04 and 508,425.06
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Solution
The fourth proportional to 916,192.24, 1,264,497.04 and 508,425.06 is: 701,710.79
Step by Step Solution
- Step 1: Write the proportion equation
916,192.24 : 1,264,497.04 = 508,425.06 : x - Step 2: Convert to fraction form
916,192.24/1,264,497.04 = 508,425.06/x - Step 3: Cross multiply
916,192.24x = 1,264,497.04 × 508,425.06 - Step 4: Simplify right side
916,192.24x = 642,901,983,431.82 - Step 5: Solve for x
x = 642,901,983,431.82/916,192.24 - Step 6: Final answer
x = 701,710.79
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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.