Finding the Fourth Proportional to 853,874.64, 1,177,584.19 and 708,450.17
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Solution
The fourth proportional to 853,874.64, 1,177,584.19 and 708,450.17 is: 977,028.33
Step by Step Solution
- Step 1: Write the proportion equation
853,874.64 : 1,177,584.19 = 708,450.17 : x - Step 2: Convert to fraction form
853,874.64/1,177,584.19 = 708,450.17/x - Step 3: Cross multiply
853,874.64x = 1,177,584.19 × 708,450.17 - Step 4: Simplify right side
853,874.64x = 834,259,711,935.77 - Step 5: Solve for x
x = 834,259,711,935.77/853,874.64 - Step 6: Final answer
x = 977,028.33
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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.