Finding the Fourth Proportional to 863,729.44, 1,191,918.48 and 471,247.84
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Solution
The fourth proportional to 863,729.44, 1,191,918.48 and 471,247.84 is: 650,306.66
Step by Step Solution
- Step 1: Write the proportion equation
863,729.44 : 1,191,918.48 = 471,247.84 : x - Step 2: Convert to fraction form
863,729.44/1,191,918.48 = 471,247.84/x - Step 3: Cross multiply
863,729.44x = 1,191,918.48 × 471,247.84 - Step 4: Simplify right side
863,729.44x = 561,689,009,156.08 - Step 5: Solve for x
x = 561,689,009,156.08/863,729.44 - Step 6: Final answer
x = 650,306.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.