Finding the Fourth Proportional to 862,220.08, 1,189,451.58 and 669,917.44
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Solution
The fourth proportional to 862,220.08, 1,189,451.58 and 669,917.44 is: 924,165.86
Step by Step Solution
- Step 1: Write the proportion equation
862,220.08 : 1,189,451.58 = 669,917.44 : x - Step 2: Convert to fraction form
862,220.08/1,189,451.58 = 669,917.44/x - Step 3: Cross multiply
862,220.08x = 1,189,451.58 × 669,917.44 - Step 4: Simplify right side
862,220.08x = 796,834,357,477.56 - Step 5: Solve for x
x = 796,834,357,477.56/862,220.08 - Step 6: Final answer
x = 924,165.86
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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.