Finding the Fourth Proportional to 499,683.24, 689,580.72 and 284,788.62
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Solution
The fourth proportional to 499,683.24, 689,580.72 and 284,788.62 is: 393,018.47
Step by Step Solution
- Step 1: Write the proportion equation
499,683.24 : 689,580.72 = 284,788.62 : x - Step 2: Convert to fraction form
499,683.24/689,580.72 = 284,788.62/x - Step 3: Cross multiply
499,683.24x = 689,580.72 × 284,788.62 - Step 4: Simplify right side
499,683.24x = 196,384,741,627.41 - Step 5: Solve for x
x = 196,384,741,627.41/499,683.24 - Step 6: Final answer
x = 393,018.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.