Finding the Fourth Proportional to 916,975.49, 1,373,524.09 and 579,842.15
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Solution
The fourth proportional to 916,975.49, 1,373,524.09 and 579,842.15 is: 868,537.02
Step by Step Solution
- Step 1: Write the proportion equation
916,975.49 : 1,373,524.09 = 579,842.15 : x - Step 2: Convert to fraction form
916,975.49/1,373,524.09 = 579,842.15/x - Step 3: Cross multiply
916,975.49x = 1,373,524.09 × 579,842.15 - Step 4: Simplify right side
916,975.49x = 796,427,153,105.17 - Step 5: Solve for x
x = 796,427,153,105.17/916,975.49 - Step 6: Final answer
x = 868,537.02
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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.