Finding the Fourth Proportional to 478,429.14, 717,644.70 and 449,199.84
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Solution
The fourth proportional to 478,429.14, 717,644.70 and 449,199.84 is: 673,800.69
Step by Step Solution
- Step 1: Write the proportion equation
478,429.14 : 717,644.70 = 449,199.84 : x - Step 2: Convert to fraction form
478,429.14/717,644.70 = 449,199.84/x - Step 3: Cross multiply
478,429.14x = 717,644.70 × 449,199.84 - Step 4: Simplify right side
478,429.14x = 322,365,884,416.85 - Step 5: Solve for x
x = 322,365,884,416.85/478,429.14 - Step 6: Final answer
x = 673,800.69
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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.