Finding the Fourth Proportional to 816,703.04, 1,126,884.20 and 477,105.68
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Solution
The fourth proportional to 816,703.04, 1,126,884.20 and 477,105.68 is: 658,308.87
Step by Step Solution
- Step 1: Write the proportion equation
816,703.04 : 1,126,884.20 = 477,105.68 : x - Step 2: Convert to fraction form
816,703.04/1,126,884.20 = 477,105.68/x - Step 3: Cross multiply
816,703.04x = 1,126,884.20 × 477,105.68 - Step 4: Simplify right side
816,703.04x = 537,642,852,522.26 - Step 5: Solve for x
x = 537,642,852,522.26/816,703.04 - Step 6: Final answer
x = 658,308.87
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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.