Finding the Fourth Proportional to 739,984.74, 1,021,182.21 and 400,453.08
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Solution
The fourth proportional to 739,984.74, 1,021,182.21 and 400,453.08 is: 552,627.02
Step by Step Solution
- Step 1: Write the proportion equation
739,984.74 : 1,021,182.21 = 400,453.08 : x - Step 2: Convert to fraction form
739,984.74/1,021,182.21 = 400,453.08/x - Step 3: Cross multiply
739,984.74x = 1,021,182.21 × 400,453.08 - Step 4: Simplify right side
739,984.74x = 408,935,561,235.71 - Step 5: Solve for x
x = 408,935,561,235.71/739,984.74 - Step 6: Final answer
x = 552,627.02
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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.