Finding the Fourth Proportional to 418,529.70, 627,794.55 and 418,529.70
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Solution
The fourth proportional to 418,529.70, 627,794.55 and 418,529.70 is: 627,794.55
Step by Step Solution
- Step 1: Write the proportion equation
418,529.70 : 627,794.55 = 418,529.70 : x - Step 2: Convert to fraction form
418,529.70/627,794.55 = 418,529.70/x - Step 3: Cross multiply
418,529.70x = 627,794.55 × 418,529.70 - Step 4: Simplify right side
418,529.70x = 262,750,664,673.14 - Step 5: Solve for x
x = 262,750,664,673.14/418,529.70 - Step 6: Final answer
x = 627,794.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.