Finding the Fourth Proportional to 970,826.70, 1,339,747.11 and 541,134.12
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Solution
The fourth proportional to 970,826.70, 1,339,747.11 and 541,134.12 is: 746,768.58
Step by Step Solution
- Step 1: Write the proportion equation
970,826.70 : 1,339,747.11 = 541,134.12 : x - Step 2: Convert to fraction form
970,826.70/1,339,747.11 = 541,134.12/x - Step 3: Cross multiply
970,826.70x = 1,339,747.11 × 541,134.12 - Step 4: Simplify right side
970,826.70x = 724,982,873,392.39 - Step 5: Solve for x
x = 724,982,873,392.39/970,826.70 - Step 6: Final answer
x = 746,768.58
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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.