Finding the Fourth Proportional to 592,809.20, 889,213.80 and 394,434.80
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Solution
The fourth proportional to 592,809.20, 889,213.80 and 394,434.80 is: 591,652.20
Step by Step Solution
- Step 1: Write the proportion equation
592,809.20 : 889,213.80 = 394,434.80 : x - Step 2: Convert to fraction form
592,809.20/889,213.80 = 394,434.80/x - Step 3: Cross multiply
592,809.20x = 889,213.80 × 394,434.80 - Step 4: Simplify right side
592,809.20x = 350,736,867,360.24 - Step 5: Solve for x
x = 350,736,867,360.24/592,809.20 - Step 6: Final answer
x = 591,652.20
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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.