Finding the Fourth Proportional to 746,229.70, 1,119,344.55 and 680,911.30
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Solution
The fourth proportional to 746,229.70, 1,119,344.55 and 680,911.30 is: 1,021,366.95
Step by Step Solution
- Step 1: Write the proportion equation
746,229.70 : 1,119,344.55 = 680,911.30 : x - Step 2: Convert to fraction form
746,229.70/1,119,344.55 = 680,911.30/x - Step 3: Cross multiply
746,229.70x = 1,119,344.55 × 680,911.30 - Step 4: Simplify right side
746,229.70x = 762,174,352,688.42 - Step 5: Solve for x
x = 762,174,352,688.42/746,229.70 - Step 6: Final answer
x = 1,021,366.95
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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.