Finding the Fourth Proportional to 811,330.04, 1,119,292.62 and 543,144.44
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Solution
The fourth proportional to 811,330.04, 1,119,292.62 and 543,144.44 is: 749,309.82
Step by Step Solution
- Step 1: Write the proportion equation
811,330.04 : 1,119,292.62 = 543,144.44 : x - Step 2: Convert to fraction form
811,330.04/1,119,292.62 = 543,144.44/x - Step 3: Cross multiply
811,330.04x = 1,119,292.62 × 543,144.44 - Step 4: Simplify right side
811,330.04x = 607,937,563,286.03 - Step 5: Solve for x
x = 607,937,563,286.03/811,330.04 - Step 6: Final answer
x = 749,309.82
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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.