Finding the Fourth Proportional to 664,403.70, 996,313.95 and 264,911.70
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Solution
The fourth proportional to 664,403.70, 996,313.95 and 264,911.70 is: 397,251.28
Step by Step Solution
- Step 1: Write the proportion equation
664,403.70 : 996,313.95 = 264,911.70 : x - Step 2: Convert to fraction form
664,403.70/996,313.95 = 264,911.70/x - Step 3: Cross multiply
664,403.70x = 996,313.95 × 264,911.70 - Step 4: Simplify right side
664,403.70x = 263,935,222,228.22 - Step 5: Solve for x
x = 263,935,222,228.22/664,403.70 - Step 6: Final answer
x = 397,251.28
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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.