Finding the Fourth Proportional to 462,350.34, 638,039.70 and 324,722.70
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Solution
The fourth proportional to 462,350.34, 638,039.70 and 324,722.70 is: 448,114.68
Step by Step Solution
- Step 1: Write the proportion equation
462,350.34 : 638,039.70 = 324,722.70 : x - Step 2: Convert to fraction form
462,350.34/638,039.70 = 324,722.70/x - Step 3: Cross multiply
462,350.34x = 638,039.70 × 324,722.70 - Step 4: Simplify right side
462,350.34x = 207,185,974,091.19 - Step 5: Solve for x
x = 207,185,974,091.19/462,350.34 - Step 6: Final answer
x = 448,114.68
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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.