Finding the Fourth Proportional to 681,269.41, 940,106.64 and 409,348.75
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Solution
The fourth proportional to 681,269.41, 940,106.64 and 409,348.75 is: 564,874.15
Step by Step Solution
- Step 1: Write the proportion equation
681,269.41 : 940,106.64 = 409,348.75 : x - Step 2: Convert to fraction form
681,269.41/940,106.64 = 409,348.75/x - Step 3: Cross multiply
681,269.41x = 940,106.64 × 409,348.75 - Step 4: Simplify right side
681,269.41x = 384,831,477,950.70 - Step 5: Solve for x
x = 384,831,477,950.70/681,269.41 - Step 6: Final answer
x = 564,874.15
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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.