Finding the Fourth Proportional to 756,144.17, 1,043,490.97 and 411,996.36
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Solution
The fourth proportional to 756,144.17, 1,043,490.97 and 411,996.36 is: 568,561.52
Step by Step Solution
- Step 1: Write the proportion equation
756,144.17 : 1,043,490.97 = 411,996.36 : x - Step 2: Convert to fraction form
756,144.17/1,043,490.97 = 411,996.36/x - Step 3: Cross multiply
756,144.17x = 1,043,490.97 × 411,996.36 - Step 4: Simplify right side
756,144.17x = 429,914,481,332.87 - Step 5: Solve for x
x = 429,914,481,332.87/756,144.17 - Step 6: Final answer
x = 568,561.52
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1.5x scale
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.