Finding the Fourth Proportional to 757,398.75, 1,135,116.53 and 307,597.09
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Solution
The fourth proportional to 757,398.75, 1,135,116.53 and 307,597.09 is: 460,996.99
Step by Step Solution
- Step 1: Write the proportion equation
757,398.75 : 1,135,116.53 = 307,597.09 : x - Step 2: Convert to fraction form
757,398.75/1,135,116.53 = 307,597.09/x - Step 3: Cross multiply
757,398.75x = 1,135,116.53 × 307,597.09 - Step 4: Simplify right side
757,398.75x = 349,158,539,900.91 - Step 5: Solve for x
x = 349,158,539,900.91/757,398.75 - Step 6: Final answer
x = 460,996.99
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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.