Finding the Fourth Proportional to 722,965.60, 1,083,670.80 and 273,512.80
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Solution
The fourth proportional to 722,965.60, 1,083,670.80 and 273,512.80 is: 409,975.02
Step by Step Solution
- Step 1: Write the proportion equation
722,965.60 : 1,083,670.80 = 273,512.80 : x - Step 2: Convert to fraction form
722,965.60/1,083,670.80 = 273,512.80/x - Step 3: Cross multiply
722,965.60x = 1,083,670.80 × 273,512.80 - Step 4: Simplify right side
722,965.60x = 296,397,834,786.24 - Step 5: Solve for x
x = 296,397,834,786.24/722,965.60 - Step 6: Final answer
x = 409,975.02
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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.