Finding the Fourth Proportional to 804,768.28, 1,207,339.36 and 236,126.40
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Solution
The fourth proportional to 804,768.28, 1,207,339.36 and 236,126.40 is: 354,244.45
Step by Step Solution
- Step 1: Write the proportion equation
804,768.28 : 1,207,339.36 = 236,126.40 : x - Step 2: Convert to fraction form
804,768.28/1,207,339.36 = 236,126.40/x - Step 3: Cross multiply
804,768.28x = 1,207,339.36 × 236,126.40 - Step 4: Simplify right side
804,768.28x = 285,084,696,655.10 - Step 5: Solve for x
x = 285,084,696,655.10/804,768.28 - Step 6: Final answer
x = 354,244.45
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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.