Finding the Fourth Proportional to 703,514.42, 1,050,177.55 and 618,389.09
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Solution
The fourth proportional to 703,514.42, 1,050,177.55 and 618,389.09 is: 923,105.94
Step by Step Solution
- Step 1: Write the proportion equation
703,514.42 : 1,050,177.55 = 618,389.09 : x - Step 2: Convert to fraction form
703,514.42/1,050,177.55 = 618,389.09/x - Step 3: Cross multiply
703,514.42x = 1,050,177.55 × 618,389.09 - Step 4: Simplify right side
703,514.42x = 649,418,332,686.07 - Step 5: Solve for x
x = 649,418,332,686.07/703,514.42 - Step 6: Final answer
x = 923,105.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.