Finding the Fourth Proportional to 800,676.16, 1,104,932.52 and 438,102.40
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Solution
The fourth proportional to 800,676.16, 1,104,932.52 and 438,102.40 is: 604,580.99
Step by Step Solution
- Step 1: Write the proportion equation
800,676.16 : 1,104,932.52 = 438,102.40 : x - Step 2: Convert to fraction form
800,676.16/1,104,932.52 = 438,102.40/x - Step 3: Cross multiply
800,676.16x = 1,104,932.52 × 438,102.40 - Step 4: Simplify right side
800,676.16x = 484,073,588,850.05 - Step 5: Solve for x
x = 484,073,588,850.05/800,676.16 - Step 6: Final answer
x = 604,580.99
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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.