Finding the Fourth Proportional to 834,348.40, 1,151,393.84 and 471,843.43
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Solution
The fourth proportional to 834,348.40, 1,151,393.84 and 471,843.43 is: 651,140.00
Step by Step Solution
- Step 1: Write the proportion equation
834,348.40 : 1,151,393.84 = 471,843.43 : x - Step 2: Convert to fraction form
834,348.40/1,151,393.84 = 471,843.43/x - Step 3: Cross multiply
834,348.40x = 1,151,393.84 × 471,843.43 - Step 4: Simplify right side
834,348.40x = 543,277,615,278.18 - Step 5: Solve for x
x = 543,277,615,278.18/834,348.40 - Step 6: Final answer
x = 651,140.00
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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.