Finding the Fourth Proportional to 801,755.28, 1,106,515.44 and 462,235.68
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Solution
The fourth proportional to 801,755.28, 1,106,515.44 and 462,235.68 is: 637,938.94
Step by Step Solution
- Step 1: Write the proportion equation
801,755.28 : 1,106,515.44 = 462,235.68 : x - Step 2: Convert to fraction form
801,755.28/1,106,515.44 = 462,235.68/x - Step 3: Cross multiply
801,755.28x = 1,106,515.44 × 462,235.68 - Step 4: Simplify right side
801,755.28x = 511,470,916,838.90 - Step 5: Solve for x
x = 511,470,916,838.90/801,755.28 - Step 6: Final answer
x = 637,938.94
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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.