Finding the Fourth Proportional to 684,197.94, 944,190.79 and 382,391.94
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Solution
The fourth proportional to 684,197.94, 944,190.79 and 382,391.94 is: 527,699.55
Step by Step Solution
- Step 1: Write the proportion equation
684,197.94 : 944,190.79 = 382,391.94 : x - Step 2: Convert to fraction form
684,197.94/944,190.79 = 382,391.94/x - Step 3: Cross multiply
684,197.94x = 944,190.79 × 382,391.94 - Step 4: Simplify right side
684,197.94x = 361,050,947,918.23 - Step 5: Solve for x
x = 361,050,947,918.23/684,197.94 - Step 6: Final answer
x = 527,699.55
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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.