Finding the Fourth Proportional to 809,201.63, 1,116,618.74 and 446,602.08
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Solution
The fourth proportional to 809,201.63, 1,116,618.74 and 446,602.08 is: 616,266.98
Step by Step Solution
- Step 1: Write the proportion equation
809,201.63 : 1,116,618.74 = 446,602.08 : x - Step 2: Convert to fraction form
809,201.63/1,116,618.74 = 446,602.08/x - Step 3: Cross multiply
809,201.63x = 1,116,618.74 × 446,602.08 - Step 4: Simplify right side
809,201.63x = 498,684,245,151.38 - Step 5: Solve for x
x = 498,684,245,151.38/809,201.63 - Step 6: Final answer
x = 616,266.98
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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.