Finding the Fourth Proportional to 625,863.89, 863,697.58 and 339,383.99
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Solution
The fourth proportional to 625,863.89, 863,697.58 and 339,383.99 is: 468,352.84
Step by Step Solution
- Step 1: Write the proportion equation
625,863.89 : 863,697.58 = 339,383.99 : x - Step 2: Convert to fraction form
625,863.89/863,697.58 = 339,383.99/x - Step 3: Cross multiply
625,863.89x = 863,697.58 × 339,383.99 - Step 4: Simplify right side
625,863.89x = 293,125,132,164.53 - Step 5: Solve for x
x = 293,125,132,164.53/625,863.89 - Step 6: Final answer
x = 468,352.84
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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.