Finding the Fourth Proportional to 755,880.32, 1,043,116.29 and 411,715.19
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Solution
The fourth proportional to 755,880.32, 1,043,116.29 and 411,715.19 is: 568,167.75
Step by Step Solution
- Step 1: Write the proportion equation
755,880.32 : 1,043,116.29 = 411,715.19 : x - Step 2: Convert to fraction form
755,880.32/1,043,116.29 = 411,715.19/x - Step 3: Cross multiply
755,880.32x = 1,043,116.29 × 411,715.19 - Step 4: Simplify right side
755,880.32x = 429,466,821,769.48 - Step 5: Solve for x
x = 429,466,821,769.48/755,880.32 - Step 6: Final answer
x = 568,167.75
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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.