Finding the Fourth Proportional to 497,841.75, 687,073.46 and 306,850.23
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Solution
The fourth proportional to 497,841.75, 687,073.46 and 306,850.23 is: 423,485.27
Step by Step Solution
- Step 1: Write the proportion equation
497,841.75 : 687,073.46 = 306,850.23 : x - Step 2: Convert to fraction form
497,841.75/687,073.46 = 306,850.23/x - Step 3: Cross multiply
497,841.75x = 687,073.46 × 306,850.23 - Step 4: Simplify right side
497,841.75x = 210,828,647,693.65 - Step 5: Solve for x
x = 210,828,647,693.65/497,841.75 - Step 6: Final answer
x = 423,485.27
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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.