Finding the Fourth Proportional to 865,086.13, 1,193,814.94 and 477,901.68
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Solution
The fourth proportional to 865,086.13, 1,193,814.94 and 477,901.68 is: 659,502.15
Step by Step Solution
- Step 1: Write the proportion equation
865,086.13 : 1,193,814.94 = 477,901.68 : x - Step 2: Convert to fraction form
865,086.13/1,193,814.94 = 477,901.68/x - Step 3: Cross multiply
865,086.13x = 1,193,814.94 × 477,901.68 - Step 4: Simplify right side
865,086.13x = 570,526,165,435.10 - Step 5: Solve for x
x = 570,526,165,435.10/865,086.13 - Step 6: Final answer
x = 659,502.15
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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.