Finding the Fourth Proportional to 756,346.22, 1,043,809.41 and 462,121.91
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Solution
The fourth proportional to 756,346.22, 1,043,809.41 and 462,121.91 is: 637,759.78
Step by Step Solution
- Step 1: Write the proportion equation
756,346.22 : 1,043,809.41 = 462,121.91 : x - Step 2: Convert to fraction form
756,346.22/1,043,809.41 = 462,121.91/x - Step 3: Cross multiply
756,346.22x = 1,043,809.41 × 462,121.91 - Step 4: Simplify right side
756,346.22x = 482,367,193,006.13 - Step 5: Solve for x
x = 482,367,193,006.13/756,346.22 - Step 6: Final answer
x = 637,759.78
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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.