Finding the Fourth Proportional to 835,579.24, 1,152,977.70 and 477,814.12
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Solution
The fourth proportional to 835,579.24, 1,152,977.70 and 477,814.12 is: 659,313.92
Step by Step Solution
- Step 1: Write the proportion equation
835,579.24 : 1,152,977.70 = 477,814.12 : x - Step 2: Convert to fraction form
835,579.24/1,152,977.70 = 477,814.12/x - Step 3: Cross multiply
835,579.24x = 1,152,977.70 × 477,814.12 - Step 4: Simplify right side
835,579.24x = 550,909,025,105.12 - Step 5: Solve for x
x = 550,909,025,105.12/835,579.24 - Step 6: Final answer
x = 659,313.92
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1.5x scale
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.