Finding the Fourth Proportional to 684,198.07, 944,190.97 and 382,392.07
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Solution
The fourth proportional to 684,198.07, 944,190.97 and 382,392.07 is: 527,699.73
Step by Step Solution
- Step 1: Write the proportion equation
684,198.07 : 944,190.97 = 382,392.07 : x - Step 2: Convert to fraction form
684,198.07/944,190.97 = 382,392.07/x - Step 3: Cross multiply
684,198.07x = 944,190.97 × 382,392.07 - Step 4: Simplify right side
684,198.07x = 361,051,136,177.15 - Step 5: Solve for x
x = 361,051,136,177.15/684,198.07 - Step 6: Final answer
x = 527,699.73
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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.