Finding the Fourth Proportional to 930,109.23, 1,283,679.09 and 516,738.69
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Solution
The fourth proportional to 930,109.23, 1,283,679.09 and 516,738.69 is: 713,170.70
Step by Step Solution
- Step 1: Write the proportion equation
930,109.23 : 1,283,679.09 = 516,738.69 : x - Step 2: Convert to fraction form
930,109.23/1,283,679.09 = 516,738.69/x - Step 3: Cross multiply
930,109.23x = 1,283,679.09 × 516,738.69 - Step 4: Simplify right side
930,109.23x = 663,326,651,346.99 - Step 5: Solve for x
x = 663,326,651,346.99/930,109.23 - Step 6: Final answer
x = 713,170.70
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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.