Finding the Fourth Proportional to 804,756.80, 1,207,135.20 and 243,791.30
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Solution
The fourth proportional to 804,756.80, 1,207,135.20 and 243,791.30 is: 365,686.95
Step by Step Solution
- Step 1: Write the proportion equation
804,756.80 : 1,207,135.20 = 243,791.30 : x - Step 2: Convert to fraction form
804,756.80/1,207,135.20 = 243,791.30/x - Step 3: Cross multiply
804,756.80x = 1,207,135.20 × 243,791.30 - Step 4: Simplify right side
804,756.80x = 294,289,059,683.76 - Step 5: Solve for x
x = 294,289,059,683.76/804,756.80 - Step 6: Final answer
x = 365,686.95
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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.