Finding the Fourth Proportional to 777,344.64, 1,166,173.70 and 328,065.99
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Solution
The fourth proportional to 777,344.64, 1,166,173.70 and 328,065.99 is: 492,165.13
Step by Step Solution
- Step 1: Write the proportion equation
777,344.64 : 1,166,173.70 = 328,065.99 : x - Step 2: Convert to fraction form
777,344.64/1,166,173.70 = 328,065.99/x - Step 3: Cross multiply
777,344.64x = 1,166,173.70 × 328,065.99 - Step 4: Simplify right side
777,344.64x = 382,581,927,762.13 - Step 5: Solve for x
x = 382,581,927,762.13/777,344.64 - Step 6: Final answer
x = 492,165.13
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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.