Finding the Fourth Proportional to 720,075.68, 1,080,266.61 and 246,633.92
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Solution
The fourth proportional to 720,075.68, 1,080,266.61 and 246,633.92 is: 370,003.32
Step by Step Solution
- Step 1: Write the proportion equation
720,075.68 : 1,080,266.61 = 246,633.92 : x - Step 2: Convert to fraction form
720,075.68/1,080,266.61 = 246,633.92/x - Step 3: Cross multiply
720,075.68x = 1,080,266.61 × 246,633.92 - Step 4: Simplify right side
720,075.68x = 266,430,388,669.41 - Step 5: Solve for x
x = 266,430,388,669.41/720,075.68 - Step 6: Final answer
x = 370,003.32
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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.