Finding the Fourth Proportional to 693,214.07, 956,617.79 and 387,292.75
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Solution
The fourth proportional to 693,214.07, 956,617.79 and 387,292.75 is: 534,454.15
Step by Step Solution
- Step 1: Write the proportion equation
693,214.07 : 956,617.79 = 387,292.75 : x - Step 2: Convert to fraction form
693,214.07/956,617.79 = 387,292.75/x - Step 3: Cross multiply
693,214.07x = 956,617.79 × 387,292.75 - Step 4: Simplify right side
693,214.07x = 370,491,135,556.25 - Step 5: Solve for x
x = 370,491,135,556.25/693,214.07 - Step 6: Final answer
x = 534,454.15
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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.