Finding the Fourth Proportional to 864,147.10, 1,296,220.65 and 565,548.70
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Solution
The fourth proportional to 864,147.10, 1,296,220.65 and 565,548.70 is: 848,323.05
Step by Step Solution
- Step 1: Write the proportion equation
864,147.10 : 1,296,220.65 = 565,548.70 : x - Step 2: Convert to fraction form
864,147.10/1,296,220.65 = 565,548.70/x - Step 3: Cross multiply
864,147.10x = 1,296,220.65 × 565,548.70 - Step 4: Simplify right side
864,147.10x = 733,075,903,520.66 - Step 5: Solve for x
x = 733,075,903,520.66/864,147.10 - Step 6: Final answer
x = 848,323.05
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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.