Finding the Fourth Proportional to 659,201.80, 988,802.70 and 379,265.80
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Solution
The fourth proportional to 659,201.80, 988,802.70 and 379,265.80 is: 568,898.70
Step by Step Solution
- Step 1: Write the proportion equation
659,201.80 : 988,802.70 = 379,265.80 : x - Step 2: Convert to fraction form
659,201.80/988,802.70 = 379,265.80/x - Step 3: Cross multiply
659,201.80x = 988,802.70 × 379,265.80 - Step 4: Simplify right side
659,201.80x = 375,019,047,057.66 - Step 5: Solve for x
x = 375,019,047,057.66/659,201.80 - Step 6: Final answer
x = 568,898.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.