Finding the Fourth Proportional to 970,930.80, 1,339,884.99 and 541,201.10
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Solution
The fourth proportional to 970,930.80, 1,339,884.99 and 541,201.10 is: 746,857.78
Step by Step Solution
- Step 1: Write the proportion equation
970,930.80 : 1,339,884.99 = 541,201.10 : x - Step 2: Convert to fraction form
970,930.80/1,339,884.99 = 541,201.10/x - Step 3: Cross multiply
970,930.80x = 1,339,884.99 × 541,201.10 - Step 4: Simplify right side
970,930.80x = 725,147,223,762.06 - Step 5: Solve for x
x = 725,147,223,762.06/970,930.80 - Step 6: Final answer
x = 746,857.78
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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.