Finding the Fourth Proportional to 488,943.70, 733,415.55 and 488,943.70
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Solution
The fourth proportional to 488,943.70, 733,415.55 and 488,943.70 is: 733,415.55
Step by Step Solution
- Step 1: Write the proportion equation
488,943.70 : 733,415.55 = 488,943.70 : x - Step 2: Convert to fraction form
488,943.70/733,415.55 = 488,943.70/x - Step 3: Cross multiply
488,943.70x = 733,415.55 × 488,943.70 - Step 4: Simplify right side
488,943.70x = 358,598,912,654.54 - Step 5: Solve for x
x = 358,598,912,654.54/488,943.70 - Step 6: Final answer
x = 733,415.55
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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.