Finding the Fourth Proportional to 800,874.76, 1,201,312.14 and 368,548.60
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Solution
The fourth proportional to 800,874.76, 1,201,312.14 and 368,548.60 is: 552,822.90
Step by Step Solution
- Step 1: Write the proportion equation
800,874.76 : 1,201,312.14 = 368,548.60 : x - Step 2: Convert to fraction form
800,874.76/1,201,312.14 = 368,548.60/x - Step 3: Cross multiply
800,874.76x = 1,201,312.14 × 368,548.60 - Step 4: Simplify right side
800,874.76x = 442,741,907,360.00 - Step 5: Solve for x
x = 442,741,907,360.00/800,874.76 - Step 6: Final answer
x = 552,822.90
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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.