Finding the Fourth Proportional to 927,349.28, 1,279,758.24 and 519,447.68
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Solution
The fourth proportional to 927,349.28, 1,279,758.24 and 519,447.68 is: 716,846.89
Step by Step Solution
- Step 1: Write the proportion equation
927,349.28 : 1,279,758.24 = 519,447.68 : x - Step 2: Convert to fraction form
927,349.28/1,279,758.24 = 519,447.68/x - Step 3: Cross multiply
927,349.28x = 1,279,758.24 × 519,447.68 - Step 4: Simplify right side
927,349.28x = 664,767,448,728.88 - Step 5: Solve for x
x = 664,767,448,728.88/927,349.28 - Step 6: Final answer
x = 716,846.89
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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.