Finding the Fourth Proportional to 774,202.08, 1,161,314.79 and 268,779.10
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Solution
The fourth proportional to 774,202.08, 1,161,314.79 and 268,779.10 is: 403,172.70
Step by Step Solution
- Step 1: Write the proportion equation
774,202.08 : 1,161,314.79 = 268,779.10 : x - Step 2: Convert to fraction form
774,202.08/1,161,314.79 = 268,779.10/x - Step 3: Cross multiply
774,202.08x = 1,161,314.79 × 268,779.10 - Step 4: Simplify right side
774,202.08x = 312,137,142,728.99 - Step 5: Solve for x
x = 312,137,142,728.99/774,202.08 - Step 6: Final answer
x = 403,172.70
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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.