Finding the Fourth Proportional to 811,524.80, 1,119,703.02 and 524,699.75
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Solution
The fourth proportional to 811,524.80, 1,119,703.02 and 524,699.75 is: 723,955.56
Step by Step Solution
- Step 1: Write the proportion equation
811,524.80 : 1,119,703.02 = 524,699.75 : x - Step 2: Convert to fraction form
811,524.80/1,119,703.02 = 524,699.75/x - Step 3: Cross multiply
811,524.80x = 1,119,703.02 × 524,699.75 - Step 4: Simplify right side
811,524.80x = 587,507,894,668.25 - Step 5: Solve for x
x = 587,507,894,668.25/811,524.80 - Step 6: Final answer
x = 723,955.56
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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.