Finding the Fourth Proportional to 775,959.95, 1,163,989.12 and 243,501.99
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Solution
The fourth proportional to 775,959.95, 1,163,989.12 and 243,501.99 is: 365,268.42
Step by Step Solution
- Step 1: Write the proportion equation
775,959.95 : 1,163,989.12 = 243,501.99 : x - Step 2: Convert to fraction form
775,959.95/1,163,989.12 = 243,501.99/x - Step 3: Cross multiply
775,959.95x = 1,163,989.12 × 243,501.99 - Step 4: Simplify right side
775,959.95x = 283,433,665,840.84 - Step 5: Solve for x
x = 283,433,665,840.84/775,959.95 - Step 6: Final answer
x = 365,268.42
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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.