Finding the Fourth Proportional to 603,743.80, 905,615.70 and 558,124.60
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Solution
The fourth proportional to 603,743.80, 905,615.70 and 558,124.60 is: 837,186.90
Step by Step Solution
- Step 1: Write the proportion equation
603,743.80 : 905,615.70 = 558,124.60 : x - Step 2: Convert to fraction form
603,743.80/905,615.70 = 558,124.60/x - Step 3: Cross multiply
603,743.80x = 905,615.70 × 558,124.60 - Step 4: Simplify right side
603,743.80x = 505,446,400,316.22 - Step 5: Solve for x
x = 505,446,400,316.22/603,743.80 - Step 6: Final answer
x = 837,186.90
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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.