Finding the Fourth Proportional to 561,749.74, 775,115.00 and 332,316.70
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Solution
The fourth proportional to 561,749.74, 775,115.00 and 332,316.70 is: 458,538.10
Step by Step Solution
- Step 1: Write the proportion equation
561,749.74 : 775,115.00 = 332,316.70 : x - Step 2: Convert to fraction form
561,749.74/775,115.00 = 332,316.70/x - Step 3: Cross multiply
561,749.74x = 775,115.00 × 332,316.70 - Step 4: Simplify right side
561,749.74x = 257,583,659,915.63 - Step 5: Solve for x
x = 257,583,659,915.63/561,749.74 - Step 6: Final answer
x = 458,538.10
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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.