Finding the Fourth Proportional to 775,959.45, 1,163,988.37 and 243,501.49
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Solution
The fourth proportional to 775,959.45, 1,163,988.37 and 243,501.49 is: 365,267.67
Step by Step Solution
- Step 1: Write the proportion equation
775,959.45 : 1,163,988.37 = 243,501.49 : x - Step 2: Convert to fraction form
775,959.45/1,163,988.37 = 243,501.49/x - Step 3: Cross multiply
775,959.45x = 1,163,988.37 × 243,501.49 - Step 4: Simplify right side
775,959.45x = 283,432,901,220.16 - Step 5: Solve for x
x = 283,432,901,220.16/775,959.45 - Step 6: Final answer
x = 365,267.67
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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.