Finding the Fourth Proportional to 775,913.16, 1,163,579.34 and 270,344.36
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Solution
The fourth proportional to 775,913.16, 1,163,579.34 and 270,344.36 is: 405,415.36
Step by Step Solution
- Step 1: Write the proportion equation
775,913.16 : 1,163,579.34 = 270,344.36 : x - Step 2: Convert to fraction form
775,913.16/1,163,579.34 = 270,344.36/x - Step 3: Cross multiply
775,913.16x = 1,163,579.34 × 270,344.36 - Step 4: Simplify right side
775,913.16x = 314,567,111,981.52 - Step 5: Solve for x
x = 314,567,111,981.52/775,913.16 - Step 6: Final answer
x = 405,415.36
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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.