Finding the Fourth Proportional to 800,318.20, 1,104,586.86 and 514,195.96
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Solution
The fourth proportional to 800,318.20, 1,104,586.86 and 514,195.96 is: 709,685.35
Step by Step Solution
- Step 1: Write the proportion equation
800,318.20 : 1,104,586.86 = 514,195.96 : x - Step 2: Convert to fraction form
800,318.20/1,104,586.86 = 514,195.96/x - Step 3: Cross multiply
800,318.20x = 1,104,586.86 × 514,195.96 - Step 4: Simplify right side
800,318.20x = 567,974,100,881.09 - Step 5: Solve for x
x = 567,974,100,881.09/800,318.20 - Step 6: Final answer
x = 709,685.35
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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.