Finding the Fourth Proportional to 764,355.13, 1,146,993.50 and 266,069.05
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Solution
The fourth proportional to 764,355.13, 1,146,993.50 and 266,069.05 is: 399,263.98
Step by Step Solution
- Step 1: Write the proportion equation
764,355.13 : 1,146,993.50 = 266,069.05 : x - Step 2: Convert to fraction form
764,355.13/1,146,993.50 = 266,069.05/x - Step 3: Cross multiply
764,355.13x = 1,146,993.50 × 266,069.05 - Step 4: Simplify right side
764,355.13x = 305,179,469,570.83 - Step 5: Solve for x
x = 305,179,469,570.83/764,355.13 - Step 6: Final answer
x = 399,263.98
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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.