Finding the Fourth Proportional to 741,793.10, 1,023,674.76 and 402,261.26
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Solution
The fourth proportional to 741,793.10, 1,023,674.76 and 402,261.26 is: 555,120.69
Step by Step Solution
- Step 1: Write the proportion equation
741,793.10 : 1,023,674.76 = 402,261.26 : x - Step 2: Convert to fraction form
741,793.10/1,023,674.76 = 402,261.26/x - Step 3: Cross multiply
741,793.10x = 1,023,674.76 × 402,261.26 - Step 4: Simplify right side
741,793.10x = 411,784,698,787.80 - Step 5: Solve for x
x = 411,784,698,787.80/741,793.10 - Step 6: Final answer
x = 555,120.69
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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.