Finding the Fourth Proportional to 809,457.09, 1,213,974.08 and 240,685.02
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Solution
The fourth proportional to 809,457.09, 1,213,974.08 and 240,685.02 is: 360,964.62
Step by Step Solution
- Step 1: Write the proportion equation
809,457.09 : 1,213,974.08 = 240,685.02 : x - Step 2: Convert to fraction form
809,457.09/1,213,974.08 = 240,685.02/x - Step 3: Cross multiply
809,457.09x = 1,213,974.08 × 240,685.02 - Step 4: Simplify right side
809,457.09x = 292,185,368,450.99 - Step 5: Solve for x
x = 292,185,368,450.99/809,457.09 - Step 6: Final answer
x = 360,964.62
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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.