Finding the Fourth Proportional to 531,815.99, 733,910.74 and 290,099.66
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Solution
The fourth proportional to 531,815.99, 733,910.74 and 290,099.66 is: 400,340.08
Step by Step Solution
- Step 1: Write the proportion equation
531,815.99 : 733,910.74 = 290,099.66 : x - Step 2: Convert to fraction form
531,815.99/733,910.74 = 290,099.66/x - Step 3: Cross multiply
531,815.99x = 733,910.74 × 290,099.66 - Step 4: Simplify right side
531,815.99x = 212,907,251,749.55 - Step 5: Solve for x
x = 212,907,251,749.55/531,815.99 - Step 6: Final answer
x = 400,340.08
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1.5x scale
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.