Finding the Fourth Proportional to 801,640.62, 1,106,276.67 and 439,057.98
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Solution
The fourth proportional to 801,640.62, 1,106,276.67 and 439,057.98 is: 605,906.92
Step by Step Solution
- Step 1: Write the proportion equation
801,640.62 : 1,106,276.67 = 439,057.98 : x - Step 2: Convert to fraction form
801,640.62/1,106,276.67 = 439,057.98/x - Step 3: Cross multiply
801,640.62x = 1,106,276.67 × 439,057.98 - Step 4: Simplify right side
801,640.62x = 485,719,600,051.33 - Step 5: Solve for x
x = 485,719,600,051.33/801,640.62 - Step 6: Final answer
x = 605,906.92
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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.