Finding the Fourth Proportional to 826,635.70, 1,239,953.55 and 616,683.70
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Solution
The fourth proportional to 826,635.70, 1,239,953.55 and 616,683.70 is: 925,025.55
Step by Step Solution
- Step 1: Write the proportion equation
826,635.70 : 1,239,953.55 = 616,683.70 : x - Step 2: Convert to fraction form
826,635.70/1,239,953.55 = 616,683.70/x - Step 3: Cross multiply
826,635.70x = 1,239,953.55 × 616,683.70 - Step 4: Simplify right side
826,635.70x = 764,659,143,042.14 - Step 5: Solve for x
x = 764,659,143,042.14/826,635.70 - Step 6: Final answer
x = 925,025.55
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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.