Finding the Fourth Proportional to 775,354.10, 1,162,554.87 and 301,487.09
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Solution
The fourth proportional to 775,354.10, 1,162,554.87 and 301,487.09 is: 452,045.44
Step by Step Solution
- Step 1: Write the proportion equation
775,354.10 : 1,162,554.87 = 301,487.09 : x - Step 2: Convert to fraction form
775,354.10/1,162,554.87 = 301,487.09/x - Step 3: Cross multiply
775,354.10x = 1,162,554.87 × 301,487.09 - Step 4: Simplify right side
775,354.10x = 350,495,284,721.63 - Step 5: Solve for x
x = 350,495,284,721.63/775,354.10 - Step 6: Final answer
x = 452,045.44
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1.5x scale
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.