Finding the Fourth Proportional to 804,599.70, 1,206,899.55 and 243,662.10
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Solution
The fourth proportional to 804,599.70, 1,206,899.55 and 243,662.10 is: 365,493.15
Step by Step Solution
- Step 1: Write the proportion equation
804,599.70 : 1,206,899.55 = 243,662.10 : x - Step 2: Convert to fraction form
804,599.70/1,206,899.55 = 243,662.10/x - Step 3: Cross multiply
804,599.70x = 1,206,899.55 × 243,662.10 - Step 4: Simplify right side
804,599.70x = 294,075,678,842.06 - Step 5: Solve for x
x = 294,075,678,842.06/804,599.70 - Step 6: Final answer
x = 365,493.15
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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.