Finding the Fourth Proportional to 686,452.70, 1,029,718.17 and 230,861.02
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Solution
The fourth proportional to 686,452.70, 1,029,718.17 and 230,861.02 is: 346,304.69
Step by Step Solution
- Step 1: Write the proportion equation
686,452.70 : 1,029,718.17 = 230,861.02 : x - Step 2: Convert to fraction form
686,452.70/1,029,718.17 = 230,861.02/x - Step 3: Cross multiply
686,452.70x = 1,029,718.17 × 230,861.02 - Step 4: Simplify right side
686,452.70x = 237,721,787,038.73 - Step 5: Solve for x
x = 237,721,787,038.73/686,452.70 - Step 6: Final answer
x = 346,304.69
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1.5x scale
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.