Finding the Fourth Proportional to 862,219.08, 1,189,450.20 and 669,916.44
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Solution
The fourth proportional to 862,219.08, 1,189,450.20 and 669,916.44 is: 924,164.48
Step by Step Solution
- Step 1: Write the proportion equation
862,219.08 : 1,189,450.20 = 669,916.44 : x - Step 2: Convert to fraction form
862,219.08/1,189,450.20 = 669,916.44/x - Step 3: Cross multiply
862,219.08x = 1,189,450.20 × 669,916.44 - Step 4: Simplify right side
862,219.08x = 796,832,243,541.29 - Step 5: Solve for x
x = 796,832,243,541.29/862,219.08 - Step 6: Final answer
x = 924,164.48
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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.