Finding the Fourth Proportional to 914,757.09, 1,373,392.34 and 465,779.49
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Solution
The fourth proportional to 914,757.09, 1,373,392.34 and 465,779.49 is: 699,309.13
Step by Step Solution
- Step 1: Write the proportion equation
914,757.09 : 1,373,392.34 = 465,779.49 : x - Step 2: Convert to fraction form
914,757.09/1,373,392.34 = 465,779.49/x - Step 3: Cross multiply
914,757.09x = 1,373,392.34 × 465,779.49 - Step 4: Simplify right side
914,757.09x = 639,697,981,366.21 - Step 5: Solve for x
x = 639,697,981,366.21/914,757.09 - Step 6: Final answer
x = 699,309.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.