Finding the Fourth Proportional to 816,201.80, 1,224,302.70 and 808,328.60
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Solution
The fourth proportional to 816,201.80, 1,224,302.70 and 808,328.60 is: 1,212,492.90
Step by Step Solution
- Step 1: Write the proportion equation
816,201.80 : 1,224,302.70 = 808,328.60 : x - Step 2: Convert to fraction form
816,201.80/1,224,302.70 = 808,328.60/x - Step 3: Cross multiply
816,201.80x = 1,224,302.70 × 808,328.60 - Step 4: Simplify right side
816,201.80x = 989,638,887,467.22 - Step 5: Solve for x
x = 989,638,887,467.22/816,201.80 - Step 6: Final answer
x = 1,212,492.90
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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.