Finding the Fourth Proportional to 775,782.64, 1,163,673.42 and 243,344.80
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Solution
The fourth proportional to 775,782.64, 1,163,673.42 and 243,344.80 is: 365,017.03
Step by Step Solution
- Step 1: Write the proportion equation
775,782.64 : 1,163,673.42 = 243,344.80 : x - Step 2: Convert to fraction form
775,782.64/1,163,673.42 = 243,344.80/x - Step 3: Cross multiply
775,782.64x = 1,163,673.42 × 243,344.80 - Step 4: Simplify right side
775,782.64x = 283,173,875,655.22 - Step 5: Solve for x
x = 283,173,875,655.22/775,782.64 - Step 6: Final answer
x = 365,017.03
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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.