Finding the Fourth Proportional to 887,192.58, 1,331,170.11 and 288,337.26
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Solution
The fourth proportional to 887,192.58, 1,331,170.11 and 288,337.26 is: 432,629.79
Step by Step Solution
- Step 1: Write the proportion equation
887,192.58 : 1,331,170.11 = 288,337.26 : x - Step 2: Convert to fraction form
887,192.58/1,331,170.11 = 288,337.26/x - Step 3: Cross multiply
887,192.58x = 1,331,170.11 × 288,337.26 - Step 4: Simplify right side
887,192.58x = 383,825,942,111.30 - Step 5: Solve for x
x = 383,825,942,111.30/887,192.58 - Step 6: Final answer
x = 432,629.79
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1.5x scale
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.