Finding the Fourth Proportional to 902,447.68, 1,245,379.26 and 494,484.70
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Solution
The fourth proportional to 902,447.68, 1,245,379.26 and 494,484.70 is: 682,389.69
Step by Step Solution
- Step 1: Write the proportion equation
902,447.68 : 1,245,379.26 = 494,484.70 : x - Step 2: Convert to fraction form
902,447.68/1,245,379.26 = 494,484.70/x - Step 3: Cross multiply
902,447.68x = 1,245,379.26 × 494,484.70 - Step 4: Simplify right side
902,447.68x = 615,820,989,767.32 - Step 5: Solve for x
x = 615,820,989,767.32/902,447.68 - Step 6: Final answer
x = 682,389.69
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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.