Finding the Fourth Proportional to 622,917.10, 934,375.65 and 611,107.30
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Solution
The fourth proportional to 622,917.10, 934,375.65 and 611,107.30 is: 916,660.95
Step by Step Solution
- Step 1: Write the proportion equation
622,917.10 : 934,375.65 = 611,107.30 : x - Step 2: Convert to fraction form
622,917.10/934,375.65 = 611,107.30/x - Step 3: Cross multiply
622,917.10x = 934,375.65 × 611,107.30 - Step 4: Simplify right side
622,917.10x = 571,003,780,657.25 - Step 5: Solve for x
x = 571,003,780,657.25/622,917.10 - Step 6: Final answer
x = 916,660.95
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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.