Finding the Fourth Proportional to 763,668, 1,053,861.84 and 424,167.84
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Solution
The fourth proportional to 763,668, 1,053,861.84 and 424,167.84 is: 585,351.62
Step by Step Solution
- Step 1: Write the proportion equation
763,668 : 1,053,861.84 = 424,167.84 : x - Step 2: Convert to fraction form
763,668/1,053,861.84 = 424,167.84/x - Step 3: Cross multiply
763,668x = 1,053,861.84 × 424,167.84 - Step 4: Simplify right side
763,668x = 447,014,300,331.23 - Step 5: Solve for x
x = 447,014,300,331.23/763,668 - Step 6: Final answer
x = 585,351.62
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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.