Finding the Fourth Proportional to 815,292.29, 1,125,207.18 and 493,004.70
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Solution
The fourth proportional to 815,292.29, 1,125,207.18 and 493,004.70 is: 680,409.26
Step by Step Solution
- Step 1: Write the proportion equation
815,292.29 : 1,125,207.18 = 493,004.70 : x - Step 2: Convert to fraction form
815,292.29/1,125,207.18 = 493,004.70/x - Step 3: Cross multiply
815,292.29x = 1,125,207.18 × 493,004.70 - Step 4: Simplify right side
815,292.29x = 554,732,428,213.75 - Step 5: Solve for x
x = 554,732,428,213.75/815,292.29 - Step 6: Final answer
x = 680,409.26
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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.