Finding the Fourth Proportional to 775,792.91, 1,163,677.68 and 349,027.37
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Solution
The fourth proportional to 775,792.91, 1,163,677.68 and 349,027.37 is: 523,535.80
Step by Step Solution
- Step 1: Write the proportion equation
775,792.91 : 1,163,677.68 = 349,027.37 : x - Step 2: Convert to fraction form
775,792.91/1,163,677.68 = 349,027.37/x - Step 3: Cross multiply
775,792.91x = 1,163,677.68 × 349,027.37 - Step 4: Simplify right side
775,792.91x = 406,155,360,178.10 - Step 5: Solve for x
x = 406,155,360,178.10/775,792.91 - Step 6: Final answer
x = 523,535.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.