Finding the Fourth Proportional to 816,229.74, 1,224,356.65 and 310,819.00
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Solution
The fourth proportional to 816,229.74, 1,224,356.65 and 310,819.00 is: 466,233.08
Step by Step Solution
- Step 1: Write the proportion equation
816,229.74 : 1,224,356.65 = 310,819.00 : x - Step 2: Convert to fraction form
816,229.74/1,224,356.65 = 310,819.00/x - Step 3: Cross multiply
816,229.74x = 1,224,356.65 × 310,819.00 - Step 4: Simplify right side
816,229.74x = 380,553,303,474.57 - Step 5: Solve for x
x = 380,553,303,474.57/816,229.74 - Step 6: Final answer
x = 466,233.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.