Finding the Fourth Proportional to 758,669.68, 1,138,171.11 and 285,355.09
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Solution
The fourth proportional to 758,669.68, 1,138,171.11 and 285,355.09 is: 428,095.29
Step by Step Solution
- Step 1: Write the proportion equation
758,669.68 : 1,138,171.11 = 285,355.09 : x - Step 2: Convert to fraction form
758,669.68/1,138,171.11 = 285,355.09/x - Step 3: Cross multiply
758,669.68x = 1,138,171.11 × 285,355.09 - Step 4: Simplify right side
758,669.68x = 324,782,919,529.45 - Step 5: Solve for x
x = 324,782,919,529.45/758,669.68 - Step 6: Final answer
x = 428,095.29
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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.