Finding the Fourth Proportional to 523,550.71, 722,530.84 and 394,261.07
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Solution
The fourth proportional to 523,550.71, 722,530.84 and 394,261.07 is: 544,103.52
Step by Step Solution
- Step 1: Write the proportion equation
523,550.71 : 722,530.84 = 394,261.07 : x - Step 2: Convert to fraction form
523,550.71/722,530.84 = 394,261.07/x - Step 3: Cross multiply
523,550.71x = 722,530.84 × 394,261.07 - Step 4: Simplify right side
523,550.71x = 284,865,782,907.07 - Step 5: Solve for x
x = 284,865,782,907.07/523,550.71 - Step 6: Final answer
x = 544,103.52
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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.