Finding the Fourth Proportional to 864,117.10, 1,192,362.42 and 482,069.80
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Solution
The fourth proportional to 864,117.10, 1,192,362.42 and 482,069.80 is: 665,189.84
Step by Step Solution
- Step 1: Write the proportion equation
864,117.10 : 1,192,362.42 = 482,069.80 : x - Step 2: Convert to fraction form
864,117.10/1,192,362.42 = 482,069.80/x - Step 3: Cross multiply
864,117.10x = 1,192,362.42 × 482,069.80 - Step 4: Simplify right side
864,117.10x = 574,801,913,336.92 - Step 5: Solve for x
x = 574,801,913,336.92/864,117.10 - Step 6: Final answer
x = 665,189.84
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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.