Finding the Fourth Proportional to 807,808.24, 1,114,769.79 and 445,232.30
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Solution
The fourth proportional to 807,808.24, 1,114,769.79 and 445,232.30 is: 614,417.49
Step by Step Solution
- Step 1: Write the proportion equation
807,808.24 : 1,114,769.79 = 445,232.30 : x - Step 2: Convert to fraction form
807,808.24/1,114,769.79 = 445,232.30/x - Step 3: Cross multiply
807,808.24x = 1,114,769.79 × 445,232.30 - Step 4: Simplify right side
807,808.24x = 496,331,511,998.37 - Step 5: Solve for x
x = 496,331,511,998.37/807,808.24 - Step 6: Final answer
x = 614,417.49
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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.