Finding the Fourth Proportional to 857,553.66, 1,183,394.25 and 475,615.98
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Solution
The fourth proportional to 857,553.66, 1,183,394.25 and 475,615.98 is: 656,333.52
Step by Step Solution
- Step 1: Write the proportion equation
857,553.66 : 1,183,394.25 = 475,615.98 : x - Step 2: Convert to fraction form
857,553.66/1,183,394.25 = 475,615.98/x - Step 3: Cross multiply
857,553.66x = 1,183,394.25 × 475,615.98 - Step 4: Simplify right side
857,553.66x = 562,841,215,940.12 - Step 5: Solve for x
x = 562,841,215,940.12/857,553.66 - Step 6: Final answer
x = 656,333.52
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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.