Finding the Fourth Proportional to 861,322.99, 1,188,614.13 and 479,349.67
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Solution
The fourth proportional to 861,322.99, 1,188,614.13 and 479,349.67 is: 661,496.09
Step by Step Solution
- Step 1: Write the proportion equation
861,322.99 : 1,188,614.13 = 479,349.67 : x - Step 2: Convert to fraction form
861,322.99/1,188,614.13 = 479,349.67/x - Step 3: Cross multiply
861,322.99x = 1,188,614.13 × 479,349.67 - Step 4: Simplify right side
861,322.99x = 569,761,790,972.84 - Step 5: Solve for x
x = 569,761,790,972.84/861,322.99 - Step 6: Final answer
x = 661,496.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.