Finding the Fourth Proportional to 447,923.21, 670,306.12 and 279,522.79
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Solution
The fourth proportional to 447,923.21, 670,306.12 and 279,522.79 is: 418,299.01
Step by Step Solution
- Step 1: Write the proportion equation
447,923.21 : 670,306.12 = 279,522.79 : x - Step 2: Convert to fraction form
447,923.21/670,306.12 = 279,522.79/x - Step 3: Cross multiply
447,923.21x = 670,306.12 × 279,522.79 - Step 4: Simplify right side
447,923.21x = 187,365,834,441.90 - Step 5: Solve for x
x = 187,365,834,441.90/447,923.21 - Step 6: Final answer
x = 418,299.01
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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.