Finding the Fourth Proportional to 619,797.42, 930,194.28 and 320,365.73
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Solution
The fourth proportional to 619,797.42, 930,194.28 and 320,365.73 is: 480,806.09
Step by Step Solution
- Step 1: Write the proportion equation
619,797.42 : 930,194.28 = 320,365.73 : x - Step 2: Convert to fraction form
619,797.42/930,194.28 = 320,365.73/x - Step 3: Cross multiply
619,797.42x = 930,194.28 × 320,365.73 - Step 4: Simplify right side
619,797.42x = 298,002,371,879.51 - Step 5: Solve for x
x = 298,002,371,879.51/619,797.42 - Step 6: Final answer
x = 480,806.09
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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.