Finding the Fourth Proportional to 683,221.26, 942,845.40 and 381,415.26
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Solution
The fourth proportional to 683,221.26, 942,845.40 and 381,415.26 is: 526,353.09
Step by Step Solution
- Step 1: Write the proportion equation
683,221.26 : 942,845.40 = 381,415.26 : x - Step 2: Convert to fraction form
683,221.26/942,845.40 = 381,415.26/x - Step 3: Cross multiply
683,221.26x = 942,845.40 × 381,415.26 - Step 4: Simplify right side
683,221.26x = 359,615,623,380.80 - Step 5: Solve for x
x = 359,615,623,380.80/683,221.26 - Step 6: Final answer
x = 526,353.09
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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.