Finding the Fourth Proportional to 453,477.92, 679,469.44 and 263,404.76
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Solution
The fourth proportional to 453,477.92, 679,469.44 and 263,404.76 is: 394,672.99
Step by Step Solution
- Step 1: Write the proportion equation
453,477.92 : 679,469.44 = 263,404.76 : x - Step 2: Convert to fraction form
453,477.92/679,469.44 = 263,404.76/x - Step 3: Cross multiply
453,477.92x = 679,469.44 × 263,404.76 - Step 4: Simplify right side
453,477.92x = 178,975,484,770.53 - Step 5: Solve for x
x = 178,975,484,770.53/453,477.92 - Step 6: Final answer
x = 394,672.99
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1.5x scale
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.