Finding the Fourth Proportional to 930,534.24, 1,284,278.58 and 568,169.40
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Solution
The fourth proportional to 930,534.24, 1,284,278.58 and 568,169.40 is: 784,160.07
Step by Step Solution
- Step 1: Write the proportion equation
930,534.24 : 1,284,278.58 = 568,169.40 : x - Step 2: Convert to fraction form
930,534.24/1,284,278.58 = 568,169.40/x - Step 3: Cross multiply
930,534.24x = 1,284,278.58 × 568,169.40 - Step 4: Simplify right side
930,534.24x = 729,687,790,231.45 - Step 5: Solve for x
x = 729,687,790,231.45/930,534.24 - Step 6: Final answer
x = 784,160.07
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1.5x scale
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.