Finding the Fourth Proportional to 775,960.95, 1,163,990.62 and 243,502.99
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Solution
The fourth proportional to 775,960.95, 1,163,990.62 and 243,502.99 is: 365,269.92
Step by Step Solution
- Step 1: Write the proportion equation
775,960.95 : 1,163,990.62 = 243,502.99 : x - Step 2: Convert to fraction form
775,960.95/1,163,990.62 = 243,502.99/x - Step 3: Cross multiply
775,960.95x = 1,163,990.62 × 243,502.99 - Step 4: Simplify right side
775,960.95x = 283,435,196,301.95 - Step 5: Solve for x
x = 283,435,196,301.95/775,960.95 - Step 6: Final answer
x = 365,269.92
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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.