Finding the Fourth Proportional to 816,228.74, 1,224,355.15 and 310,817.99
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Solution
The fourth proportional to 816,228.74, 1,224,355.15 and 310,817.99 is: 466,231.58
Step by Step Solution
- Step 1: Write the proportion equation
816,228.74 : 1,224,355.15 = 310,817.99 : x - Step 2: Convert to fraction form
816,228.74/1,224,355.15 = 310,817.99/x - Step 3: Cross multiply
816,228.74x = 1,224,355.15 × 310,817.99 - Step 4: Simplify right side
816,228.74x = 380,551,610,583.44 - Step 5: Solve for x
x = 380,551,610,583.44/816,228.74 - Step 6: Final answer
x = 466,231.58
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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.