Finding the Fourth Proportional to 811,080.24, 1,118,918.70 and 524,692.68
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Solution
The fourth proportional to 811,080.24, 1,118,918.70 and 524,692.68 is: 723,835.23
Step by Step Solution
- Step 1: Write the proportion equation
811,080.24 : 1,118,918.70 = 524,692.68 : x - Step 2: Convert to fraction form
811,080.24/1,118,918.70 = 524,692.68/x - Step 3: Cross multiply
811,080.24x = 1,118,918.70 × 524,692.68 - Step 4: Simplify right side
811,080.24x = 587,088,451,405.12 - Step 5: Solve for x
x = 587,088,451,405.12/811,080.24 - Step 6: Final answer
x = 723,835.23
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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.