Finding the Fourth Proportional to 891,814.16, 1,337,717.56 and 323,062.09
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Solution
The fourth proportional to 891,814.16, 1,337,717.56 and 323,062.09 is: 484,591.80
Step by Step Solution
- Step 1: Write the proportion equation
891,814.16 : 1,337,717.56 = 323,062.09 : x - Step 2: Convert to fraction form
891,814.16/1,337,717.56 = 323,062.09/x - Step 3: Cross multiply
891,814.16x = 1,337,717.56 × 323,062.09 - Step 4: Simplify right side
891,814.16x = 432,165,830,763.30 - Step 5: Solve for x
x = 432,165,830,763.30/891,814.16 - Step 6: Final answer
x = 484,591.80
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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.