Finding the Fourth Proportional to 699,617.99, 965,461.48 and 393,694.19
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Solution
The fourth proportional to 699,617.99, 965,461.48 and 393,694.19 is: 543,291.59
Step by Step Solution
- Step 1: Write the proportion equation
699,617.99 : 965,461.48 = 393,694.19 : x - Step 2: Convert to fraction form
699,617.99/965,461.48 = 393,694.19/x - Step 3: Cross multiply
699,617.99x = 965,461.48 × 393,694.19 - Step 4: Simplify right side
699,617.99x = 380,096,573,153.74 - Step 5: Solve for x
x = 380,096,573,153.74/699,617.99 - Step 6: Final answer
x = 543,291.59
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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.