Finding the Fourth Proportional to 780,082.64, 1,169,990.16 and 247,484.96
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Solution
The fourth proportional to 780,082.64, 1,169,990.16 and 247,484.96 is: 371,184.99
Step by Step Solution
- Step 1: Write the proportion equation
780,082.64 : 1,169,990.16 = 247,484.96 : x - Step 2: Convert to fraction form
780,082.64/1,169,990.16 = 247,484.96/x - Step 3: Cross multiply
780,082.64x = 1,169,990.16 × 247,484.96 - Step 4: Simplify right side
780,082.64x = 289,554,967,947.99 - Step 5: Solve for x
x = 289,554,967,947.99/780,082.64 - Step 6: Final answer
x = 371,184.99
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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.