Finding the Fourth Proportional to 513,645.56, 769,554.12 and 437,998.26
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Solution
The fourth proportional to 513,645.56, 769,554.12 and 437,998.26 is: 656,217.81
Step by Step Solution
- Step 1: Write the proportion equation
513,645.56 : 769,554.12 = 437,998.26 : x - Step 2: Convert to fraction form
513,645.56/769,554.12 = 437,998.26/x - Step 3: Cross multiply
513,645.56x = 769,554.12 × 437,998.26 - Step 4: Simplify right side
513,645.56x = 337,063,365,535.83 - Step 5: Solve for x
x = 337,063,365,535.83/513,645.56 - Step 6: Final answer
x = 656,217.81
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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.