Finding the Fourth Proportional to 775,840.68, 1,163,804.76 and 243,349.92
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Solution
The fourth proportional to 775,840.68, 1,163,804.76 and 243,349.92 is: 365,038.60
Step by Step Solution
- Step 1: Write the proportion equation
775,840.68 : 1,163,804.76 = 243,349.92 : x - Step 2: Convert to fraction form
775,840.68/1,163,804.76 = 243,349.92/x - Step 3: Cross multiply
775,840.68x = 1,163,804.76 × 243,349.92 - Step 4: Simplify right side
775,840.68x = 283,211,795,241.62 - Step 5: Solve for x
x = 283,211,795,241.62/775,840.68 - Step 6: Final answer
x = 365,038.60
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1.5x scale
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.