Finding the Fourth Proportional to 713,800.75, 985,132.53 and 411,994.75
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Solution
The fourth proportional to 713,800.75, 985,132.53 and 411,994.75 is: 568,603.26
Step by Step Solution
- Step 1: Write the proportion equation
713,800.75 : 985,132.53 = 411,994.75 : x - Step 2: Convert to fraction form
713,800.75/985,132.53 = 411,994.75/x - Step 3: Cross multiply
713,800.75x = 985,132.53 × 411,994.75 - Step 4: Simplify right side
713,800.75x = 405,869,430,414.22 - Step 5: Solve for x
x = 405,869,430,414.22/713,800.75 - Step 6: Final answer
x = 568,603.26
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1.5x scale
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.