Finding the Fourth Proportional to 834,365.70, 1,151,417.97 and 471,789.54
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Solution
The fourth proportional to 834,365.70, 1,151,417.97 and 471,789.54 is: 651,065.78
Step by Step Solution
- Step 1: Write the proportion equation
834,365.70 : 1,151,417.97 = 471,789.54 : x - Step 2: Convert to fraction form
834,365.70/1,151,417.97 = 471,789.54/x - Step 3: Cross multiply
834,365.70x = 1,151,417.97 × 471,789.54 - Step 4: Simplify right side
834,365.70x = 543,226,954,414.03 - Step 5: Solve for x
x = 543,226,954,414.03/834,365.70 - Step 6: Final answer
x = 651,065.78
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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.