Finding the Fourth Proportional to 744,817.24, 1,028,884.52 and 717,165.04
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Solution
The fourth proportional to 744,817.24, 1,028,884.52 and 717,165.04 is: 990,685.99
Step by Step Solution
- Step 1: Write the proportion equation
744,817.24 : 1,028,884.52 = 717,165.04 : x - Step 2: Convert to fraction form
744,817.24/1,028,884.52 = 717,165.04/x - Step 3: Cross multiply
744,817.24x = 1,028,884.52 × 717,165.04 - Step 4: Simplify right side
744,817.24x = 737,880,007,941.18 - Step 5: Solve for x
x = 737,880,007,941.18/744,817.24 - Step 6: Final answer
x = 990,685.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.