Finding the Fourth Proportional to 625,793.36, 863,586.50 and 339,307.29
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Solution
The fourth proportional to 625,793.36, 863,586.50 and 339,307.29 is: 468,239.54
Step by Step Solution
- Step 1: Write the proportion equation
625,793.36 : 863,586.50 = 339,307.29 : x - Step 2: Convert to fraction form
625,793.36/863,586.50 = 339,307.29/x - Step 3: Cross multiply
625,793.36x = 863,586.50 × 339,307.29 - Step 4: Simplify right side
625,793.36x = 293,021,193,299.05 - Step 5: Solve for x
x = 293,021,193,299.05/625,793.36 - Step 6: Final answer
x = 468,239.54
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1.5x scale
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.