Finding the Fourth Proportional to 815,715.29, 1,125,719.02 and 558,132.48
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Solution
The fourth proportional to 815,715.29, 1,125,719.02 and 558,132.48 is: 770,244.66
Step by Step Solution
- Step 1: Write the proportion equation
815,715.29 : 1,125,719.02 = 558,132.48 : x - Step 2: Convert to fraction form
815,715.29/1,125,719.02 = 558,132.48/x - Step 3: Cross multiply
815,715.29x = 1,125,719.02 × 558,132.48 - Step 4: Simplify right side
815,715.29x = 628,300,347,020.44 - Step 5: Solve for x
x = 628,300,347,020.44/815,715.29 - Step 6: Final answer
x = 770,244.66
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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.