Finding the Fourth Proportional to 834,315.05, 1,151,377.44 and 471,793.14
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Solution
The fourth proportional to 834,315.05, 1,151,377.44 and 471,793.14 is: 651,087.35
Step by Step Solution
- Step 1: Write the proportion equation
834,315.05 : 1,151,377.44 = 471,793.14 : x - Step 2: Convert to fraction form
834,315.05/1,151,377.44 = 471,793.14/x - Step 3: Cross multiply
834,315.05x = 1,151,377.44 × 471,793.14 - Step 4: Simplify right side
834,315.05x = 543,211,977,742.76 - Step 5: Solve for x
x = 543,211,977,742.76/834,315.05 - Step 6: Final answer
x = 651,087.35
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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.