Finding the Fourth Proportional to 661,350.23, 990,342.68 and 436,027.03
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Solution
The fourth proportional to 661,350.23, 990,342.68 and 436,027.03 is: 652,931.17
Step by Step Solution
- Step 1: Write the proportion equation
661,350.23 : 990,342.68 = 436,027.03 : x - Step 2: Convert to fraction form
661,350.23/990,342.68 = 436,027.03/x - Step 3: Cross multiply
661,350.23x = 990,342.68 × 436,027.03 - Step 4: Simplify right side
661,350.23x = 431,816,179,583.65 - Step 5: Solve for x
x = 431,816,179,583.65/661,350.23 - Step 6: Final answer
x = 652,931.17
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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.