Finding the Fourth Proportional to 454,816.70, 637,676.50 and 454,816.70
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Solution
The fourth proportional to 454,816.70, 637,676.50 and 454,816.70 is: 637,676.50
Step by Step Solution
- Step 1: Write the proportion equation
454,816.70 : 637,676.50 = 454,816.70 : x - Step 2: Convert to fraction form
454,816.70/637,676.50 = 454,816.70/x - Step 3: Cross multiply
454,816.70x = 637,676.50 × 454,816.70 - Step 4: Simplify right side
454,816.70x = 290,025,921,397.55 - Step 5: Solve for x
x = 290,025,921,397.55/454,816.70 - Step 6: Final answer
x = 637,676.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.