Finding the Fourth Proportional to 483,209.70, 724,814.55 and 448,217.70
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Solution
The fourth proportional to 483,209.70, 724,814.55 and 448,217.70 is: 672,326.55
Step by Step Solution
- Step 1: Write the proportion equation
483,209.70 : 724,814.55 = 448,217.70 : x - Step 2: Convert to fraction form
483,209.70/724,814.55 = 448,217.70/x - Step 3: Cross multiply
483,209.70x = 724,814.55 × 448,217.70 - Step 4: Simplify right side
483,209.70x = 324,874,710,527.54 - Step 5: Solve for x
x = 324,874,710,527.54/483,209.70 - Step 6: Final answer
x = 672,326.55
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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.