Finding the Fourth Proportional to 690,291.09, 952,644.97 and 380,193.62
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Solution
The fourth proportional to 690,291.09, 952,644.97 and 380,193.62 is: 524,691.02
Step by Step Solution
- Step 1: Write the proportion equation
690,291.09 : 952,644.97 = 380,193.62 : x - Step 2: Convert to fraction form
690,291.09/952,644.97 = 380,193.62/x - Step 3: Cross multiply
690,291.09x = 952,644.97 × 380,193.62 - Step 4: Simplify right side
690,291.09x = 362,189,535,431.11 - Step 5: Solve for x
x = 362,189,535,431.11/690,291.09 - Step 6: Final answer
x = 524,691.02
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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.