Finding the Fourth Proportional to 694,805.13, 958,069.68 and 452,638.62
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Solution
The fourth proportional to 694,805.13, 958,069.68 and 452,638.62 is: 624,145.27
Step by Step Solution
- Step 1: Write the proportion equation
694,805.13 : 958,069.68 = 452,638.62 : x - Step 2: Convert to fraction form
694,805.13/958,069.68 = 452,638.62/x - Step 3: Cross multiply
694,805.13x = 958,069.68 × 452,638.62 - Step 4: Simplify right side
694,805.13x = 433,659,336,121.65 - Step 5: Solve for x
x = 433,659,336,121.65/694,805.13 - Step 6: Final answer
x = 624,145.27
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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.