Finding the Fourth Proportional to 642,846.52, 964,430.38 and 453,676.14
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Solution
The fourth proportional to 642,846.52, 964,430.38 and 453,676.14 is: 680,627.55
Step by Step Solution
- Step 1: Write the proportion equation
642,846.52 : 964,430.38 = 453,676.14 : x - Step 2: Convert to fraction form
642,846.52/964,430.38 = 453,676.14/x - Step 3: Cross multiply
642,846.52x = 964,430.38 × 453,676.14 - Step 4: Simplify right side
642,846.52x = 437,539,052,097.13 - Step 5: Solve for x
x = 437,539,052,097.13/642,846.52 - Step 6: Final answer
x = 680,627.55
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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.