Finding the Fourth Proportional to 842,716.12, 1,263,975.72 and 337,256.68
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Solution
The fourth proportional to 842,716.12, 1,263,975.72 and 337,256.68 is: 505,845.62
Step by Step Solution
- Step 1: Write the proportion equation
842,716.12 : 1,263,975.72 = 337,256.68 : x - Step 2: Convert to fraction form
842,716.12/1,263,975.72 = 337,256.68/x - Step 3: Cross multiply
842,716.12x = 1,263,975.72 × 337,256.68 - Step 4: Simplify right side
842,716.12x = 426,284,254,927.81 - Step 5: Solve for x
x = 426,284,254,927.81/842,716.12 - Step 6: Final answer
x = 505,845.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.